他们加入若干旋转动作组合和精彩的抬举动作。
循环泵将曲轴旋转运动转化为柱塞的直线运动。泵速转每分钟决定了任何气缸和活塞组合的排泵量。
Reciprocating pumps convert rotary motion to linear motion. Pump speed in RPM determines the pumps output volume for any given combination of cylinder bore and piston stroke.
在此工艺中，金属去除是通过铣刀的旋转运动和工件的直线运动的组合实现的。
In this process, metal removal is achieved through combining the rotary motion of the milling cutter and linear motions of the workpiece simultaneously.
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