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
The book will be a success.
这本书会成功的。
Thank you for attending today's meeting.
谢谢你出席今天的会议。
After a long period of rain the river may overflow its banks.
久雨这后，河水会泛滥成灾，