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
When will you be through with your homework?
你的家庭作业什么时候可以做完？
As you sow you shall mow.
种瓜得瓜，种豆得豆。
It was spring,but the weather was awful.It rained all the time.
是春天，但天气太糟了。一直在下雨。