Helical weld
[化] 螺旋形焊缝
🧩 词语组成解析
a. 螺旋状的\\n[电] 螺线
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
They are in Thessaloniki.
他们住在Thessaloniki
I must know your opinion.Do you agree with me?
我必须知道你的意见.你同意我吗？
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，