Hydrozing
(防止表面氧化的)氢气(圈内)热处理, 氢气保护热处理
🗣️ 情景例句
With all that money, she ought to have people working for her.
有她这么多钱，她应该雇人替她工作才对。
Will you stay there for long?
你会在那儿待很长时间吗？
I just didn't wish to put you to the trouble of changing a large note.
只不过我不想麻烦你破开一张大票子罢了。