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
Frank, you can learn as we go.
Frank，我们玩， 你跟着学。
What does your father do?
你父亲做什么工作？
but favourite eating varieties like cod and skate which grow to unnatural sizes,
而是深受人们喜爱的食用鱼品种，如鳕鱼和鳐鱼，只不过它们长得出奇地大，