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
It's just a little present for Max.
这仅仅是给Max的一件小礼物。
We are having a party and would like you to come.
我们要开派对，能请您光临吗？
The day after, Patrick went to the house once more and asked exactly the same question.
第三天，帕特里克又去了，提出了同前两天完全一样的问题。