Vacuum relief valve
[化] 真空安全阀; 真空解除阀; 真空泄漏阀
🧩 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
I know you're building a new factory,
我知道你在兴建一座新工厂，
This is it. That's $9.15, please.
到了。请付9。15美元。
What did she want?
她想要什么？