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valve door

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un.阀叶

valve door

valve door

英-汉网络释义

valve door

阀叶

在线词典--水电知识网-... ... swing door 双开式的弹簧门 valve door 阀叶,阀门 vertical sliding door 直升拉门 ...

2

Valve door in medium pit Suzhou incorporated company, listed company .

中核苏州阀门股份有限公司，上市公司。

3

The hair steeps a tube : Adopt common spirit a source and filter a valve door to combine .

发泡管：采用普通气源和过滤阀门组合而成。

4

The Foundry Technique of Large Metallurgical Valve Door and Lid

浅谈大型冶金阀门阀盖的铸造

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