Harveyizing
哈尔维法钢硬化, 哈尔维法渗碳硬化
🗣️ 情景例句
It might rain tomorrow.
明天可能会下雨。
Now it is the child's turn to make a good home for his children.
现在轮到孩子们自己为其儿女建造美好的家庭了。
Bye.
再见。