Nitempering
气体软氮化; 氮回火
🗣️ 情景例句
Is there a limit to how many I can purchase at this price?
我买这种东西在数量上有什么限制吗？
There are as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
the cost of managing and administering the business.
企业行政管理费。