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
Thank you. I'll make out the contract for you to sign tomorrow.
谢谢。我将起草合同，明天就签。
Ladies and gentlemen, I appreciate your...vote.
各位先生，女士，恳请赏赐一票。
What colour is it?
什么颜色的？