一 词汇
a 英译汉
Dimension 尺寸 Machine tool Adhesiveness Compound rest复合刀具台 机床粘性
Apron 挡板， Climb-cut Peripheral milling Slab milling阔面铣削 同向铣削
Centerless grinding无心轮磨 Machinery Cylindrical hole Snag 障碍 机械圆柱孔
Coarseness 粗糙度 Up-milling逆铣
Abrasive belt磨带 Profile Machine table剖面机表 Rectilinear Protecctive guards 直线防护 String milling连续铣削
b 汉译英
刚度，硬度 hardess 圆柱形端铣刀 cylindric end mill
进给速度 feed speed 托架 bracket
软刚，低碳钢 mild steel
沉头螺钉 sunk screw
螺线 spiral 平面磨 surface grind
镗床 boring machine 摩擦离合器 friction clutch
多刃刀具 multipoint tool 牛头刨床 shaping machine
被动皮带轮 Passive pulley
润滑油 lubricating oil
燕尾槽 dovetail groove 卡盘 chuck
材料去除装备 Material removal equipment
插入式磨削 Plug-in grinding
冷却液 coolant 床头箱 headstock
二 翻译句子
1) The slides and slideways of a machine tool locate and guide members which move relative to each other,usually changing the position of the tool relative to the workpiece.
车刀机床的滑块和滑道s使定位和导向构件之间将对移动，常常用于改变工件与工作台的相对位置
2）In order to maintain a constant angular velocity, the individual tooth profile must obey the fundamental law of gearing: for a pair of gears to transmit a constant angular velocity ratio, the shape of their contacting profile must be such that the common normal passes through a fixed point on the line of the centers
为了维持一个恒定的角速度,单个齿廓必须遵守啮合基本定律:对于一对以固定角速度传动的齿轮,他们的传动比两轮连心线被齿廓接触点公共法线分割的两顿先吨的反比
3）Plain milling cutters are adapted to cut by teeth with cutting edges situatued on the surface of a cylinder which can be circumscribed on cutter. face mills are adapted to cutting by teeth with cutting edges situated on the surface of the mill and partially on its cylindrial surface
平铣刀适用于使用位于圆柱面上的齿上的切削刃工作的铣削，
平面铣刀适用于使用位于铣刀表面和其部分圆柱面的齿上的切削刃做的铣削
4）Pressures angles for spur gear are usually 14.5 or 20 degrees, although other values can be used. Meshing gears must have the same pressure angles.
虽然其他值也也可以使用，但齿轮的压力角经常为14.5度或20度，相啮合的齿轮必须有相同的压力角
5）The cross section of the milled surface corresponds to the outline or contour of the milling cutter or combination of cutters used.
加工表面的界面要与使用的刀具或组合刀具的外轮廓一致
6）Lets us now discuss the different concepts associated with the manufacturing accuracy required modern mass-production technologies.
让我们来讨论有关现代大规模生产技术所要求的制造精度的不同概念
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