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
And if I can be of any help,
如果我能有所帮忙的话，
Roll my log and I'll roll yours.
互相吹嘘。
Which one is cheap? Which one is dear?
哪一支便宜？哪一支贵？