Hardfacing
耐磨堆焊
🗣️ 情景例句
It is absolutely impossible.
这是绝对不可能的。
If it hadn't been for your help, we would never have finished it.
如果没有你的帮助，我们永远完不成任务。
And when do you take your next exams?
还有，你什么时候参加下次考试？