Marquench
等温[分级]淬火, 马氏体淬火, 淬火时效
🗣️ 情景例句
I'd like an advance copy of the book, though,
但我想要一本新书的试印本
Light troubles speak; great troubles are silent.
小困难，大声叫嚷；大困难，闷生不响。
Thanks, Carol.May I have a glass of beer please?
谢谢，卡罗尔。给我一杯啤酒好吗？