【化】 活塞冲程; 活塞行程

结果表明，活塞面积和蓄能器体积对系统性能影响比较大，而活塞最大行程和油液弹性模量对系统性能影响较小。

piston

piston cup

balance piston

opposed piston engine

combination of rotary-piston pumps with oscillating-piston pumps

hydrostatic engines of reciprocating-piston type with

pumping system reciprocating-piston pump

piston displacement