Weld preparation
[化] 焊缝坡口加工
🧩 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;
🗣️ 情景例句
Rome wasn't built in a day.
罗马不是一天建成的。
A good horse oft needs a good spur.
好马常需好靴刺。
In her letter, she said that she would come to England next year.
在信中她说她明年将到英国来。