Marworking
形变热处理, 奥氏体过冷区加工法
🗣️ 情景例句
Nice weather today, isn't it?
天气不错，是吧？
Open not your door when the devil knocks.
不要受人的诱惑。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？