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've got six months to go until graduation.
我还有六个月就毕业了。
I haven't nothing to declare.
我没有要申报的东西。
The hardened professional smuggler, on the other hand, is never troubled by such feelings, even if he has five hundred gold watches hidden in his suitcase.
而老练的职业走私犯却使手提箱里藏着500只金表，却也处之泰然。