Spiral welding
[化] 螺旋焊
🧩 词语组成解析
spiral
['spaɪrəl]
n. 螺旋（线）;旋涡;螺旋形物;（足球运动的）旋球;
v. 使成螺旋形;螺旋式的上升（或下降盘旋上升（或下降）;
adj. 螺旋形的;盘旋的;盘旋上升的;
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
Thank you.
谢谢。
The room is always a mess after the children have been playing in here.
儿童玩过之后的房间，通常都是乱糟糟的。
The best time to come to China is in spring or autumn.
到中国来，最好的时间是在春天或者秋天。