Concave filiet weld
[机] 凹面堆角熔接
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
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
That's the recreation center and restaurant.
那是娱乐中心和餐馆。
I'll take it.
我买了。
It's not like her to have missed two days of classes.
缺课两天不太象她的作风。