Harveyizing
哈尔维法钢硬化, 哈尔维法渗碳硬化
🗣️ 情景例句
Did she mention when she would arrive?
她说过什么时候到吗？
I hope I'm not bothering you.
我希望我没有打扰你。
Diamond necklaces and rings had been beautifully arranged on a background of black velvet.
钻石项链、戒指漂亮地陈列在黑色丝绒上面。