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
Which subject were you best interested in?
你对哪一科最有兴趣？
Which one is heavier?
哪一个是较重的？
That one is only 90 fen. That's cheap.
那支笔只有九毛钱，很便宜。