变行程往复泵 rocker arm pump ; rariable stroke reciprocating pump ; rocker a pu

改变行程的曲轴 stroked crankshaft ; left-hand crankshaft

变速行程 shift velocity journey

改变了行程 Change the itinerary ; Changes in the itinerary ; Changed tour

行程变化 change of stroke

可变行程油缸 adjustable stroke cylinder

行为演变的过程 Changing act

变行程来去泵 rocker arm pump

进行变更的流程 Process for making changes