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
You pay there. I have the next group to go down. I'll see you soon then.
你在那儿付钱。我带的下一个团就是要下去的。回见！
How many sisters and brothers do you have?
你有几个姊妹和兄弟？
Number 13 buses run much more frequently, don't they?
13路车跑得更勤，是不是？