Circumferential welding
[化] 环缝焊接
🧩 词语组成解析
a. 圆周的\\n[医] 周缘的, 环状面的
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
The mailman just dropped some mail in our box, Grandpa.
邮差刚刚塞进一些信件在我们的信箱， 爷爷。
He knows best what good is that has endured evil.
忍过痛受过苦，最知幸福是何物。
'You certainly did give me a surprise!' said the vicar.
“你确实使我大吃了一惊！”牧师说，