Marworking
形变热处理, 奥氏体过冷区加工法
🗣️ 情景例句
Grandpa helped me yesterday afternoon.
昨天下午祖父帮我的忙。
He that marries for wealth sells his liberty.
为财富而结婚就是出卖自由。
What a pity!
太遗憾了！