| 释义 |
walter pistons
- alterationsn. 改变；变更
- watertightnessn. 不透水性(水密封的)
- 活塞环huó sāi huán
piston ring
- 柱塞zhù sāi
plunger; plunger piston
- 活塞huó sāi
piston; plunger; stopcock; valve
- 筒式活塞tǒng shì huó sāi
trunk piston
- 涨圈zhǎng quān
piston ring; packing ring
- 往复式活塞泵wǎng fù shì huó sāi bèng
reciprocating piston pump
- 阳模yáng mó
male die; patrix; force piston; male mold
- 往复式压缩机wǎng fù shì yā suō jī
piston compressor; reciprocating compressor; recip compressor
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