Nitrocarburizing
气体碳氮共渗; 渗碳氮化
🗣️ 情景例句
It is.
它是的。
Can't you hear me?
你听不到我说的话吗？
The children wake up very early, and can't wait to open the presents in their stockings.
孩子们醒得很早，迫不及待地打开袜子里的礼物。