valves 

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英汉解释

n. 阀门；瓣膜（valve的复数）；真空管
v. 装阀于…；以活门调节（valve的三单形式）

参考例句

1. Control valves and valve general, the executing agency.
控制阀一般由执行器和阀门组成。
2. Lug Style valves cover the bolting the entire length of the body.
凸耳类型阀门配置贯穿整个阀体长度的螺栓连接。
3. Note that both valves are closed during compression and combustion so that the combustion chamber is sealed.
请注意，两个阀门在压缩冲程和燃烧冲程时都是关闭的，以密封燃烧室。

网络释义

valves
阀门; 气阀; 瓣膜; 阀类;
Drainage valves
排水阀; 排苏州草桥实验中学; 排水阀门;
Exhaust valves
排气阀; 进气门;
Stop Valves
截止阀; 停止阀,闭塞阀; 截止阀 -; 角式截止阀;
Plunger valves
柱塞阀;