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
because the doctors and nurses are so busy?
因为医生和护士们都非常忙？
Fruit ripens not well in the shade.
阴凉处的果子不会成熟。
Can we buy it on instalments?
我们可以用分期付款的方式购买吗？