Backflush valve
[化] 反冲阀
🧩 词语组成解析
回洗
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
Please drive carefully.
请小心开车。
You name it. They've got it.
只要你说得出来，他们都有。
How are you getting on with your English lessons?
你的英语课学得怎么样了？