Nitrocarburizing
气体碳氮共渗; 渗碳氮化
🗣️ 情景例句
Now for the hard part.
现在到了最难的部分。
This year I'm in a co-ed dorm.
今年我住在男女生合住的宿舍。
They had got away with thousands of pounds worth of diamonds.
他们已带着价值数千镑的首饰逃之夭夭了。