Weld preheating
[化] 焊前预热
🧩 词语组成解析
weld
[wɛld]
vt.& vi. 焊接;使紧密结合;
n. 焊接点;黄色植物染料;
[计] 预热的
🗣️ 情景例句
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
It's a bit too hard.
这有点太难了吧。
No, no drawings can be done until the wall is dry. That may take about a week.
不行。墙不干是不能在上面画画的。大概要一周才能干。