piston

The piston moves by steam pressure..活塞在蒸汽压力下运动。

piston ring,[机]活塞环

piston pump,活塞泵

piston rod,n. 活塞杆

piston pin,活塞销

piston compressor,活塞式压缩机；往复式压缩机

engine piston,发动机活塞

axial piston pump,轴向活塞泵

piston skirt,活塞裙

piston engine,活塞发动机

hydraulic piston,液压活塞，水力活塞

piston head,活塞头

radial piston pump,[化]径向活塞泵

piston stroke,活塞冲程；活塞行程

piston seal,活塞密封，活塞密封圈；活塞油封

piston flow,活塞流

piston cylinder,活塞筒，活塞式液压缸

piston displacement,活塞位移

plunger piston,柱塞

piston accumulator,活塞式蓄能器