Nitrocarburizing
气体碳氮共渗; 渗碳氮化
🗣️ 情景例句
I'm here to see Mr. Carlson.
我来见Carlson先生。
It all depends.
视情形而定。
By this time, however, three men had come into the ring and they quickly dragged the drunk to safety.
好像连牛也在为他感到遗憾，