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
Have you ever studied French?
你学过法语吗？
What are you thinking?
你想到哪里去了啊？
Really? I think I'll go out later, then.
真的？那么，我想我将外出。