Percussion welding
[机] 冲击熔接
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
Two weeks. I said I could do it in two weeks, and I did it.
两周。我说过我两周就能完成， 现在我做到了。
I sure hope I can answer them for you.
我真的希望我能回答你的问题。
Those are watermelons.
那些是西瓜。