Clappet valve
[建] 止回阀
🧩 词语组成解析
[建] 止回阀
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
There was no way he could solve the problem.
他根本解决不了这个问题。
Death is the grand leveller.
凡人都要死，大家都一样。
I can't read it!
我看不懂这封信，