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
Are all the answers here to your satisfaction?
这里所有的答复都令您满意吗？
She knew that a vocation this year was out of the question.
她知道今年不可能有假期。
It may also be said that rational, industrious,useful.
也可以这样说，理智的、勤劳的、有用的。