密封件 Seals ; Packings ; [机] sealing element ; [化] seal components
复合密封件 composite seal ; compositeseal
唇形密封件 lip packing
弹性密封件 elastomer seal ; Elastomeric seals
海豹液压密封件 SEAL RING
华德密封件 HEAD SEAL
组合密封件 SPGW ; [机] combination seal ; KDAS
金属密封件 metal seal ; GTMS ; metal ring gasket ; metallic seal
接合面的密封件 connection seal
一个阀门包括提供了双重密 封件(58、60)的盖子(56)。
One valve includes a cap (56) that provides a double seal (58, 60) .
快给去年你在会议上认识的人发封电子邮件吧,这是件很棒的事,因为你不会知道他们现在是不是正好有个极佳的机会来帮助你摆脱现状。
A quick email to the people you met at conferences last year can be a very good thing, as you never know if they might have a great opportunity available that could really help you out.
她搬开那块相当大的石头,下面出现一件东西,仿佛是一封信。
She lifted the stone, which was tolerably large. Beneath it was something which resembled a letter.
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