Concave fillet weld
[化] 凹形角焊缝
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
fillet
['filit]
n. 肉片，鱼片;头带，带状物;[建]平缘，木摺;[纹章学] 筋鞘;
vt. 用带缚或装饰;把（鱼、肉）切成片;
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
Mike and I had a hamburger at the diner. Mike
和我在火车厢餐厅那里吃了汉堡。
My Biochem lectures are in the morning, and the labs are in the afternoon.
生物化学的课安排在上午，实验在下午。
You need a vacation.
你需要休假。