Marquench
等温[分级]淬火, 马氏体淬火, 淬火时效
🗣️ 情景例句
How ofter have met with our competitors?
你多久遭遇我们的竞争对手一次？
Do you like football?
你喜欢足球吗？
The dish rose to the surface and was gently drawn towards the canal bank.
盘子慢慢浮出水面，被轻轻地拽向运河岸边。