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
Oh, that's wonderful! That's wonderful!
噢， 真是美极了 ，真是美极了！
Good morning, dear.
早，亲爱的。
Then the teacher says, Stop and put your hands in front of you now.
“现在停止，并把手放在面前。”