valve cap

 
       
  • 阀盖

valve cap的用法和样例:

例句

  1. Screw the cover onto the valve body.
    将阀盖旋在阀体上。
  2. All valves have two purges in the valve chest or upper bonnet area.
    所有阀门在阀腔或上部阀盖区域都有两个净化清洗装置。
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