往复移动

利用把手输入一端转速，藉由半径的变化，因输出端滚轮的高度需与输入端接触点相同，而造成输出端的高度有往复式的高低变化。

曲轴，和连杆一起，把活塞的往复运动转化为驾驶车辆需要的旋转运动。

moisture separation in the reciprocating-piston pump

reciprocating diaphragm pump

hydrostatic engines of reciprocating-piston type with

mower with reciprocating endless belt cutters

reciprocating-piston engine, hydrostatic (reciprocating-piston motor)

speed controlling reciprocating-piston engine, hydrostatic (reciprocating-piston motor)

internal-combustion engine, internal-combustion reciprocating-piston engine

reciprocating steam pump