Vacuum valve
[化] 真空阀
🧩 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
Thank you for your interest in this position.
谢谢你对本公司感兴趣。
I'll get this bag for you.
我来替你拿这个包吧。
They then knew that they had discovered the cause of the fire.
这时调查人员知道他们找到了发生火灾的原因了。