| 释义 |
polystyrene piston
- polyisobutylenen. 聚异丁烯
- polycrystallineadj. 多结晶的；聚晶的；多晶体的
- pastoralizationn. 使成为畜牧的行为或过程
- 聚苯乙烯jù běn yǐ xī
polystyrene
- 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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