Valve cover
[化] 阀套
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
Here it is, with it.
在这儿，附有保证书。
He's a smart man.
他是一个精明的人。
I'd prefer to do that tomorrow. I don't feel like walking very much today.
我宁可明天游览。今天我不太想步行。