piston

活塞英释nna part of an engine consisting of a short solid piece of metal inside a tube, which moves up and down to make the other parts of the engine move

1 piston ring,[机]活塞环

2 piston pump,活塞泵

3 piston rod,n. 活塞杆

4 piston pin,活塞销

5 piston compressor,活塞式压缩机；往复式压缩机

6 engine piston,发动机活塞

7 axial piston pump,轴向活塞泵

8 piston skirt,活塞裙

9 piston engine,活塞发动机

10 hydraulic piston,液压活塞，水力活塞

11 piston head,活塞头

12 radial piston pump,[化]径向活塞泵

13 piston stroke,活塞冲程；活塞行程

14 piston seal,活塞密封，活塞密封圈；活塞油封

15 piston flow,活塞流

16 piston cylinder,活塞筒，活塞式液压缸

17 piston displacement,活塞位移

18 plunger piston,柱塞

19 piston accumulator,活塞式蓄能器

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