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
She won the first place in a speech contest.
她在演讲比赛中获得很第一名。
It seems he's afraid.
看起来他好像很害怕。
'I suppose it would, but I never catch a later train.'
“我认为可以，但我从来不乘晚一点儿的车。”