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辽宁省丹东市2015年中考物理试卷及答案解析

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Delegates,staff:Hello!intherun-uptotheSpringFestival,weheldonesessionoffourstaffrepresentativesConference2013-workshop,fullbackin2012,carefulanalysisofthecurrentsituation,discuss2013developmentplans.Here,onbehalfofmycompany2013workreportstotheGeneralAssembly,forconsideration.PillarI,2012backin2012,XXpowercompaniesadheretotheparty's17greatspiritforguidance,comprehensivelyimplementthescientificconceptofdevelopment,promotingcost-leadershipstrategy,standards,focusonimplementation,leanmanagement,continuouslyimprove,smoothpresentsafetysituationofenterprisemanagement,businessmanagementandcontrolscientificandstandardized,andthededicationofstaff,manageaharmoniousanddemocraticatmosphereofthegoodsituation.Mainindicatorsareasfollows:-thebatteryindicator:powergenerationtotaled7.815billionkWh,beyondtheannualbudgetimplementationcapacityof315millionkWh,anincreaseof757millionkWh.Salestotaled7.425billionkWh,exceedingsalesof330millionkWhtheannualExecutivebudget,an
increaseof729millionkWh.--Securitymeasures:unplannedoutages2.5times.Nopersonalinjuryaccidentoccurred,nomajoraccidentandabove,nomajorfireaccidentswithoutenvironmentalpollutionaccidents,safetyforthreeconsecutiveyearstomaintainstabilitytogoodposture.Businessfinancialindicators:totalprofitsof255millionYuan,beyondtheannualbudgetof207millionYuan,beyondtheDatangcompanyindex41.89millionYuan,anincreaseof1.76millionYuan,FCMassessmentatgradefour.--Energy:powersupplystandardcoalcompleting312.25g/kWh,down0.1g/kWh;integratedauxiliarypowerconsumptionratioin5.12%,down0.26%;pollutantemissionsperformancegreatlyreducedcomparedtolastyear,carbon0.09g/kWh,sulfurdioxide0.104g/kWhNOx0.512g/kWh;dustremovalefficiencyofmorethan99.8%.--Reliabilityindex:equivalentavailabilityfactorin93.47%,increased7.95%fromayearearlier.Equivalentforcedoutagerate0.08%,0.16%reductionoverthesameperiodayearearlier.Majorachievements:first,weshouldadheretothetwo"managementsystem"basis,
strengtheningtechnologicalresearch,strengthenhiddenhazardscontrolandintrinsicsafetyEnterpriseconstructiontooknewsteps.-Thetwo"managementsystem"forimprovement.Focusonpromotingthepowerofthecompanymanagementsystemandtheapplicationandimplementationofthesafetyloopfive-starmanagementsystem,improvethesafetymanagementsystem,realizethesystemofsafetycontrol.Furtherregulatesecurityroutines,safetysupervisionandmanagementnetworkroletoplaytoachieveclosed-loop.Strengtheningthesupervisionandmanagementofhabitualviolationof,strengtheningthesafetysupervisionofoutsourcingcontractors.Carriedoutinspringandautumnofsecurityinspections,floodcontrolandinspection,safetyproductionmonth,daysupervisionofproductionsafetyandtheOlympicGamesandother辽宁省丹东市2015年中考物理试卷
1.下列数据中不符合实际情况的是．．．
A．托起两个鸡蛋所用的力大约是1NB．教室里课桌的高度约1.5mC．人的正常体温约37℃D．家用空调的电功率约1000W

2.下列光现象中，是由于光的反射形成的是
A．城市里高楼大厦的玻璃幕墙造成的“光污染”B．海面上出现的“海市蜃楼”现象C．太阳光透过树叶的缝隙在地面上形成的圆形光斑D．“日食”的形成3.下列自然现象中，属于液化现象的是
A．冬天湖面结冰B．烧开水时壶嘴冒出的“白气”

C．白炽灯用久了灯丝会变细D．冰箱冷冻室里的“白霜”
4.小勇体重600N，利用如图所示的滑轮组在10s内使物体A匀速上升5m。已知物体A重为800N，小勇作用在绳端的拉力大小为500N，在此过程中，下列说法正确的是
A．水平地面对小勇的支持力做功为6000JB．小勇做的有用功为3000JC．小勇拉力的功率为250WD．此滑轮组的机械效率为80%5.A、B是两个质量完全相同的实心长方体，轻轻放入水中后，静止时如图所示，则下列说法正确的是A．两物体的密度大小关系是：ρA>ρ
B
A
第4题图
A
B
第5题图
B．两物体受到水的浮力大小关系是：F浮A浮B
C．两物体排开水的体积大小关系是：V排A=V排BD．两物体下表面受到水的压强大小关系是：pA>pB6.日常生活中有很多物理知识，下列说法正确的是
A．悬挂着的吊灯受到的重力和它对天花板的拉力是一对平衡力
B．家庭电路中用试电笔识别零线和火线时，若氖管发光，则被测电线是火线C.火车进站时，人必须站在安全线以外的区域候车，是因为气体流速越大的位置，压强越大D.在青藏高原用普通锅很难煮熟食物，是因为水的沸点随气压增大而减小7.如图所示的实验装置图中，能够说明电动机工作原理的是
A
B
第7题图
CD
※注意：第8小题、第9小题、第10小题为多选题
8.下列说法正确的是A．秋天用塑料梳子梳理干燥的头发时，头发会随着梳子飘起，这是摩擦起电现象
B．电热水壶的电热丝可以用超导材料制成C．加在导体两端的电压越大，则导体的电阻也越大D．信鸽能按一定的方向飞行，它是靠地磁场来导航的9.关于运动场上涉及到的物理知识，下列说法正确的是
A．鞋底有花纹，是为了增大摩擦B．人向前跑步时，要向后蹬地，利用了物体间力的作用是相互的C．抛出去的实心球在下落过程中，动能转化为重力势能D．踢足球时，足球发生形变，说明力可以改变物体的形状
··
10.如图所示，电源电压不变，闭合开关S后，滑动变阻器的滑片P向b端移动的过程中，AV
R1
SP
ctivities,comprehensiveandtampingSafetyFoundation...Troubleshooting,managementmechanism,givefullplaytoroleoftechnicalsupervisionandrealizationoftroubleshooting,management,improvedprocessmanagement.Thisyearcompletedtheboilerlowerheaderleakage,boilerpressure,amajorriskmanagement,completed29ofgreatrisksand3Generalproblemsofgovernance.Completechemistrylabconstruction,thermalcontrol,andcompletetheboilerscaleintegratedmanagement,hostshaftingvibrationof10scientificandtechnologicalprojects,suchas.Completesupercritical630MWon-linesimulationsystemdevelopmentandapplicationofcirculatingwaterMCCstandbypowertransformation,thetransformationofdesulfurizationwastewater,theunitwatersupplysystemofcomprehensivetreatmentanddischargevalvemodificationofcoalmill5keytechnologicaltransformationprojects,grouphealthisimproved.--Scienceandtechnologyinnovationisfurtherincreased.Strengthenthecharacteristicsofsupercriticalunitmajorissues,graduallyclearingtheparticularityofsupercriticalunitandregularity.Developedmotoroiltimemanagement,switchactiontimes,statistics,coal-aidedmeasurementsoftware,improvestheproductionlevelofleanmanagement.Increasedinvestmentinscienceandtechnology,reportingscienceandtechnologyprojectsand14technicalprojecttotalcostpercentageofthetotalannualproductionoutputof0.25%."Large-scalecoal-firedpowerplantfluegasdesulfurization,denitrificationcompletedevelopmentandapplicationofkeytechnologies"project,wonthenationalscienceandtechnologyprogresssecondprize.630MWsupercriticalunitsoptimizedcontrolstrategiesandthe630MWdevelopmentandapplicationofon-linesimulationsystemforsupercriticalunits,supercritical600MWunitsofturbinedrivenboilerfeedpumpsetofcomprehensivetreatmentofdefectsDatangtechnologyrespectivelyoneortwoandthird.Meanwhile,informationtechnologyachievements,thecompanywasnamed"Chinapowerinformationtechnologybenchmarkingenterprises."--Repairandmaintenancehasimprovedfurther.Modifytheinspectionstandardsandstandardsonaregularbasis,standardizingworkprocedures,
checkingandinspectionproject.DeepeningtheBFS++system,andimplementsmaintenanceinformationshared.ReorganizingRBlogicagain,andensurethesuccessoftheRB.Innovatingthemechanismofmaintenancemanagement,implementedaprojectmanagersystem.Successfulcompletionoftwoautonomousmaintenance,reliabilityimprovedsteadily.Implementingtwoc-levelmaintenance,projectthemselves48.7%and42.3%,respectively.AccomplishtwocirculatingpumpsrepairandoverhauloffourMills,maintenanceteamstogetexercise.Promotetheworkofenergysavingandconsumptionreducing,completetheunitenergyconsumptiondiagnosis,plantwaterbalancetest,10energy-savingprojects.Second,weshouldadhereto"three"ontheeconomicbenefitsofimproving,outreach第10题图
aR2b

Delegates,staff:Hello!intherun-uptotheSpringFestival,weheldonesessionoffourstaffrepresentativesConference2013-workshop,fullbackin2012,carefulanalysisofthecurrentsituation,discuss2013developmentplans.Here,onbehalfofmycompany2013workreportstotheGeneralAssembly,forconsideration.PillarI,2012backin2012,XXpowercompaniesadheretotheparty's17greatspiritforguidance,comprehensivelyimplementthescientificconceptofdevelopment,promotingcost-leadershipstrategy,standards,focusonimplementation,leanmanagement,continuouslyimprove,smoothpresentsafetysituationofenterprisemanagement,businessmanagementandcontrolscientificandstandardized,andthededicationofstaff,manageaharmoniousanddemocraticatmosphereofthegoodsituation.Mainindicatorsareasfollows:-thebatteryindicator:powergenerationtotaled7.815billionkWh,beyondtheannualbudgetimplementationcapacityof315millionkWh,anincreaseof757millionkWh.Salestotaled7.425billionkWh,exceedingsalesof330millionkWhtheannualExecutivebudget,an
increaseof729millionkWh.--Securitymeasures:unplannedoutages2.5times.Nopersonalinjuryaccidentoccurred,nomajoraccidentandabove,nomajorfireaccidentswithoutenvironmentalpollutionaccidents,safetyforthreeconsecutiveyearstomaintainstabilitytogoodposture.Businessfinancialindicators:totalprofitsof255millionYuan,beyondtheannualbudgetof207millionYuan,beyondtheDatangcompanyindex41.89millionYuan,anincreaseof1.76millionYuan,FCMassessmentatgradefour.--Energy:powersupplystandardcoalcompleting312.25g/kWh,down0.1g/kWh;integratedauxiliarypowerconsumptionratioin5.12%,down0.26%;pollutantemissionsperformancegreatlyreducedcomparedtolastyear,carbon0.09g/kWh,sulfurdioxide0.104g/kWhNOx0.512g/kWh;dustremovalefficiencyofmorethan99.8%.--Reliabilityindex:equivalentavailabilityfactorin93.47%,increased7.95%fromayearearlier.Equivalentforcedoutagerate0.08%,0.16%reductionoverthesameperiodayearearlier.Majorachievements:first,weshouldadheretothetwo"managementsystem"basis,
strengtheningtechnologicalresearch,strengthenhiddenhazardscontrolandintrinsicsafetyEnterpriseconstructiontooknewsteps.-Thetwo"managementsystem"forimprovement.Focusonpromotingthepowerofthecompanymanagementsystemandtheapplicationandimplementationofthesafetyloopfive-starmanagementsystem,improvethesafetymanagementsystem,realizethesystemofsafetycontrol.Furtherregulatesecurityroutines,safetysupervisionandmanagementnetworkroletoplaytoachieveclosed-loop.Strengtheningthesupervisionandmanagementofhabitualviolationof,strengtheningthesafetysupervisionofoutsourcingcontractors.Carriedoutinspringandautumnofsecurityinspections,floodcontrolandinspection,safetyproductionmonth,daysupervisionofproductionsafetyandtheOlympicGamesandother下列说法正确的是
A．电流表A的示数变小B．电阻R1消耗的电功率变大C．电压表V的示数变小D．电路消耗的总功率变小
第二部分主观题（请用0.5mm黑色签字笔将答案写在答题卡指定的位置上）
11.南美洲热带雨林中有一种鸟能抓住一根木棍打击树干发出有节奏的声音，可谓是鸟界的“打击乐高手”。这声音是由树干的_______产生的，人们能区分鸟叫声和树干发出的声音是因为它们发出声音的_______不同。
12.如图是三峡船闸的工作示意图：打开图乙中阀门B，闸室与下游水道构成一个_______。从甲到乙的过程中，若以闸室中的水面为参照物，在这一过程中轮船是_______(填“静止”或“运动”的。
13.人造卫星是利用_______波来传递信息的，该波在真空中的传播速度约为_______m/s。人造卫星在工作时所消耗的电能是由太阳能转化而来，太阳能属于_______(填“可再生”或“不可再生”能源。
14.端午节吃粽子是我国的一种文化传统，煮棕子时，棕叶的香味进入到米中是一种_______现象；在剥棕叶时，感到棕叶和米之间很粘，这说明分子之间有_______。15.如图所示，小勇利用焦距为10cm的放大镜看自己的手指纹时，应将手指放在距放大镜_______（填“大于”、“小于”或“等于”）10cm的位置。当他将手臂伸直，用这个放大镜看窗外远处的物体时，他所看到的是倒立的、_______（填“放大”、“缩小”或“等大”的实像。正常工作15min，消耗了_______kW·h的电能。
17.下图是对一定质量的水，持续加热过程中温度随加热时间变化图像：由图像可知，水的沸点是_______℃；水在沸腾过程中，需要不断_______(填“吸热”或“放热”，其温度_______。18.如图所示，R1=4Ω，R2=6Ω，当开关S闭合时，通过R1与R2的电流之比为_______；加在R1与R2两端的电压之比为_______。
19.一艘潜水艇排水量为3090t，在海面下某一深度巡航时，它所受到的浮力大小为_______N；当它在海面下继续下潜的过程中，它所受到的浮力大小将_______（填“变大”、“变小”或“不变”）。（ρ
水
海
下游
闸室
甲
下游
闸室
乙
第12题图
温度/℃98900
4
6
时间/min
第15题图
第17题图
16.家庭中常用的电饭锅和家用电灯是_______（填“串”或“并”）联的；若电饭锅的额定功率是800W，
=1.03×10kg/m）
33
20.如图甲所示，密闭的容器中装有一定量的水，静止在水平桌面上，容器内水面到容器底的距离为6cm，则水对容器底的压强为_______Pa；若把该容器倒放在该桌面上，如图乙所示，那么容器对水平桌面的压强将_______（填“变大”、“变小”或“不变”）。
甲
第20题图
乙
S
第18题图
6cm
R1

R2
三、作图题（本题包括3个小题，每小题3分，共9分）
ctivities,comprehensiveandtampingSafetyFoundation...Troubleshooting,managementmechanism,givefullplaytoroleoftechnicalsupervisionandrealizationoftroubleshooting,management,improvedprocessmanagement.Thisyearcompletedtheboilerlowerheaderleakage,boilerpressure,amajorriskmanagement,completed29ofgreatrisksand3Generalproblemsofgovernance.Completechemistrylabconstruction,thermalcontrol,andcompletetheboilerscaleintegratedmanagement,hostshaftingvibrationof10scientificandtechnologicalprojects,suchas.Completesupercritical630MWon-linesimulationsystemdevelopmentandapplicationofcirculatingwaterMCCstandbypowertransformation,thetransformationofdesulfurizationwastewater,theunitwatersupplysystemofcomprehensivetreatmentanddischargevalvemodificationofcoalmill5keytechnologicaltransformationprojects,grouphealthisimproved.--Scienceandtechnologyinnovationisfurtherincreased.Strengthenthecharacteristicsofsupercriticalunitmajorissues,graduallyclearingtheparticularityofsupercriticalunitandregularity.Developedmotoroiltimemanagement,switchactiontimes,statistics,coal-aidedmeasurementsoftware,improvestheproductionlevelofleanmanagement.Increasedinvestmentinscienceandtechnology,reportingscienceandtechnologyprojectsand14technicalprojecttotalcostpercentageofthetotalannualproductionoutputof0.25%."Large-scalecoal-firedpowerplantfluegasdesulfurization,denitrificationcompletedevelopmentandapplicationofkeytechnologies"project,wonthenationalscienceandtechnologyprogresssecondprize.630MWsupercriticalunitsoptimizedcontrolstrategiesandthe630MWdevelopmentandapplicationofon-linesimulationsystemforsupercriticalunits,supercritical600MWunitsofturbinedrivenboilerfeedpumpsetofcomprehensivetreatmentofdefectsDatangtechnologyrespectivelyoneortwoandthird.Meanwhile,informationtechnologyachievements,thecompanywasnamed"Chinapowerinformationtechnologybenchmarkingenterprises."--Repairandmaintenancehasimprovedfurther.Modifytheinspectionstandardsandstandardsonaregularbasis,standardizingworkprocedures,
checkingandinspectionproject.DeepeningtheBFS++system,andimplementsmaintenanceinformationshared.ReorganizingRBlogicagain,andensurethesuccessoftheRB.Innovatingthemechanismofmaintenancemanagement,implementedaprojectmanagersystem.Successfulcompletionoftwoautonomousmaintenance,reliabilityimprovedsteadily.Implementingtwoc-levelmaintenance,projectthemselves48.7%and42.3%,respectively.AccomplishtwocirculatingpumpsrepairandoverhauloffourMills,maintenanceteamstogetexercise.Promotetheworkofenergysavingandconsumptionreducing,completetheunitenergyconsumptiondiagnosis,plantwaterbalancetest,10energy-savingprojects.Second,weshouldadhereto"three"ontheeconomicbenefitsofimproving,outreach
Delegates,staff:Hello!intherun-uptotheSpringFestival,weheldonesessionoffourstaffrepresentativesConference2013-workshop,fullbackin2012,carefulanalysisofthecurrentsituation,discuss2013developmentplans.Here,onbehalfofmycompany2013workreportstotheGeneralAssembly,forconsideration.PillarI,2012backin2012,XXpowercompaniesadheretotheparty's17greatspiritforguidance,comprehensivelyimplementthescientificconceptofdevelopment,promotingcost-leadershipstrategy,standards,focusonimplementation,leanmanagement,continuouslyimprove,smoothpresentsafetysituationofenterprisemanagement,businessmanagementandcontrolscientificandstandardized,andthededicationofstaff,manageaharmoniousanddemocraticatmosphereofthegoodsituation.Mainindicatorsareasfollows:-thebatteryindicator:powergenerationtotaled7.815billionkWh,beyondtheannualbudgetimplementationcapacityof315millionkWh,anincreaseof757millionkWh.Salestotaled7.425billionkWh,exceedingsalesof330millionkWhtheannualExecutivebudget,an
increaseof729millionkWh.--Securitymeasures:unplannedoutages2.5times.Nopersonalinjuryaccidentoccurred,nomajoraccidentandabove,nomajorfireaccidentswithoutenvironmentalpollutionaccidents,safetyforthreeconsecutiveyearstomaintainstabilitytogoodposture.Businessfinancialindicators:totalprofitsof255millionYuan,beyondtheannualbudgetof207millionYuan,beyondtheDatangcompanyindex41.89millionYuan,anincreaseof1.76millionYuan,FCMassessmentatgradefour.--Energy:powersupplystandardcoalcompleting312.25g/kWh,down0.1g/kWh;integratedauxiliarypowerconsumptionratioin5.12%,down0.26%;pollutantemissionsperformancegreatlyreducedcomparedtolastyear,carbon0.09g/kWh,sulfurdioxide0.104g/kWhNOx0.512g/kWh;dustremovalefficiencyofmorethan99.8%.--Reliabilityindex:equivalentavailabilityfactorin93.47%,increased7.95%fromayearearlier.Equivalentforcedoutagerate0.08%,0.16%reductionoverthesameperiodayearearlier.Majorachievements:first,weshouldadheretothetwo"managementsystem"basis,
strengtheningtechnologicalresearch,strengthenhiddenhazardscontrolandintrinsicsafetyEnterpriseconstructiontooknewsteps.-Thetwo"managementsystem"forimprovement.Focusonpromotingthepowerofthecompanymanagementsystemandtheapplicationandimplementationofthesafetyloopfive-starmanagementsystem,improvethesafetymanagementsystem,realizethesystemofsafetycontrol.Furtherregulatesecurityroutines,safetysupervisionandmanagementnetworkroletoplaytoachieveclosed-loop.Strengtheningthesupervisionandmanagementofhabitualviolationof,strengtheningthesafetysupervisionofoutsourcingcontractors.Carriedoutinspringandautumnofsecurityinspections,floodcontrolandinspection,safetyproductionmonth,daysupervisionofproductionsafetyandtheOlympicGamesandother21.如图所示，请将下列光路图补充完整。

22.如图所示，一个足球静止在水平地面上，请画出它受力的示意图。第21题图
23题图
第22题图
·F·F
·
F·F
火线零线地线
23.请用笔画线表示导线，将图中的开关、电灯和插座接入家庭电路中。要求：开关控制电灯，插座单独使用。五、简答题（共4分）
24.如图所示，一辆汽车在行驶途中遇突发情况，紧急刹车时，司机身体前倾，车身向前
滑行一段距离，在路面上留下轮胎滑过的痕迹，轮胎温度急剧升高。请根据以上情境简要回答下列问题：
（1）刹车时司机身体前倾的原因。
（2）从能量转化的角度解释轮胎温度升高的原因。
六、计算题（本题包括3个小题，第37小题6分，第38小题6分，第39小题8分，共20分。要求写出必要的文
字说明、公式、计算过程、数值和单位）
25.“吃火锅”是人们喜爱的一种饮食方法。火锅里装有2L、60℃的水，要把这些水加热到100℃，求：（1）水吸收了多少J的热量？[c水=4.2×10J/(kg·℃]
（2）若由阻值为24.2Ω的电热丝接入家庭电路来加热，使锅内的水由60℃加热到100℃，
且电热丝产生热量的80%被水吸收，则电热丝需正常工作多长时间？

ctivities,comprehensiveandtampingSafetyFoundation...Troubleshooting,managementmechanism,givefullplaytoroleoftechnicalsupervisionandrealizationoftroubleshooting,management,improvedprocessmanagement.Thisyearcompletedtheboilerlowerheaderleakage,boilerpressure,amajorriskmanagement,completed29ofgreatrisksand3Generalproblemsofgovernance.Completechemistrylabconstruction,thermalcontrol,andcompletetheboilerscaleintegratedmanagement,hostshaftingvibrationof10scientificandtechnologicalprojects,suchas.Completesupercritical630MWon-linesimulationsystemdevelopmentandapplicationofcirculatingwaterMCCstandbypowertransformation,thetransformationofdesulfurizationwastewater,theunitwatersupplysystemofcomprehensivetreatmentanddischargevalvemodificationofcoalmill5keytechnologicaltransformationprojects,grouphealthisimproved.--Scienceandtechnologyinnovationisfurtherincreased.Strengthenthecharacteristicsofsupercriticalunitmajorissues,graduallyclearingtheparticularityofsupercriticalunitandregularity.Developed第24题图
3
motoroiltimemanagement,switchactiontimes,statistics,coal-aidedmeasurementsoftware,improvestheproductionlevelofleanmanagement.Increasedinvestmentinscienceandtechnology,reportingscienceandtechnologyprojectsand14technicalprojecttotalcostpercentageofthetotalannualproductionoutputof0.25%."Large-scalecoal-firedpowerplantfluegasdesulfurization,denitrificationcompletedevelopmentandapplicationofkeytechnologies"project,wonthenationalscienceandtechnologyprogresssecondprize.630MWsupercriticalunitsoptimizedcontrolstrategiesandthe630MWdevelopmentandapplicationofon-linesimulationsystemforsupercriticalunits,supercritical600MWunitsofturbinedrivenboilerfeedpumpsetofcomprehensivetreatmentofdefectsDatangtechnologyrespectivelyoneortwoandthird.Meanwhile,informationtechnologyachievements,thecompanywasnamed"Chinapowerinformationtechnologybenchmarkingenterprises."--Repairandmaintenancehasimprovedfurther.Modifytheinspectionstandardsandstandardsonaregularbasis,standardizingworkprocedures,checkingand
inspectionproject.DeepeningtheBFS++system,andimplementsmaintenanceinformationshared.ReorganizingRBlogicagain,andensurethesuccessoftheRB.Innovatingthemechanismofmaintenancemanagement,implementedaprojectmanagersystem.Successfulcompletionoftwoautonomousmaintenance,reliabilityimprovedsteadily.Implementingtwoc-levelmaintenance,projectthemselves48.7%and42.3%,respectively.AccomplishtwocirculatingpumpsrepairandoverhauloffourMills,maintenanceteamstogetexercise.Promotetheworkofenergysavingandconsumptionreducing,completetheunitenergyconsumptiondiagnosis,plantwaterbalancetest,10energy-savingprojects.Second,weshouldadhereto"three"ontheeconomicbenefitsofimproving,outreach

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