valve cover

• 气门套,阀套

valve cover的用法和样例：

例句

1. The value-opening mechanism includes a valve lifter and a cam on a camshaft.
   一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。
2. Screw the cover onto the valve body.
   将阀盖旋在阀体上。
3. 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。