Percussive welding
[电] 敲击的焊接法
🧩 词语组成解析
percussive
[[pə'kʌsiv]]
a. 敲击的, 有强大冲击力的, 令人震惊的, 叩诊的
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
Remind me to leave at twelve forty-five.
提醒我十二点四十五分走。
I'm a federal employee. I work for the Department of Labor.
我是一个联邦雇员。 我为劳动部门工作。
she rang up her daughter and asked for her help in what she described as a little spot of bother.
她只得打电话向女儿求援，说她碰到了一点儿小麻烦。