Marworking
形变热处理, 奥氏体过冷区加工法
🗣️ 情景例句
young and old.
不管是年轻的， 还是年老的。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
What did you say to him?
你对他怎么说的？