1) gas-tight withdrawal tube
气密抽出管
2) seal gas extraction duct
密封[气体]抽气管
3) extracting seal
抽气密封
1.
According to requirements of seals for H_2S Fan,the advantage and disadvantage of frame seal,mechanical seal,extracting seal and inflating seal are analyzed and compared.
针对H_2S风机密封的要求,分析对比了骨架密封、机械密封、抽气密封、充气密封的优缺点,设计了一种新型三瓣环碳环密封+抽气密封+充气密封的组合密封。
5) exhausting;evacuate,evacuation,exhaustion,exhaust,vacuate
抽空，抽气管
6) abstratction pipes
抽气管
补充资料：抽抽趔趔
1.犹言别别扭扭。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条