Marworking
形变热处理, 奥氏体过冷区加工法
🗣️ 情景例句
But please call first.
不过，请你先打电话。
They operated on him last night.
他们昨晚给他动手术了。
Students specialize in a particular type of practical joke: the hoax.
大学生擅长一种特殊的恶作剧——戏弄人。