Nitrizing
渗氮, 氮化法
🔁 扩展释义
【化】 渗氮
🗣️ 情景例句
By arranging with the public schools
首先， 从公立学校开始
I usually go to bed at about midnight.
我通常在大约半夜睡觉。
Yes, I have.
有，看过了