金属切削|| metal cutting
机床|| machine
金属工艺学|| technology of metals
刀具|| cutter
摩擦|| friction
连结|| link
传动|| drive/transmission
轴|| shaft
弹性|| elasticity
误差|| error
响应|| response
定位|| allocation
机床夹具|| jig
拉伸|| hitting
剪切|| shear
扭转|| twist
强度|| intensity
三相交流电|| three-phase AC
精度|| precision
机械加工余量|| machining allowance
垃圾袋|| garbage bag
链条|| chain
拖地|| to mop the floor
扫地|| to clean the floor
擦桌子|| to clean a table
气管|| air pipe