Hetu
abbr. Height Equivalent to Transfer Unit 当量传质单元高度
🗣️ 情景例句
I'd like a side order of onion rings, please.
我想再要一个洋葱圈。
I'm glad to hear about your graduation.
我很高兴听到你毕业的消息。
How's everything?
一切还好吧？