Upquenching
分级等温淬火, 升温等温淬火(先低温淬火, 后迅速加热, 再在恒温槽内等温淬火)
🗣️ 情景例句
Oh, how do you do?
噢 你好吗?
Credit, like a looking-glass, broken once, is gone, alas.
信誉像镜子，破碎无法补。
Is it cold or warm in autumn?
秋季的天气是冷还是暖呢？