Spirally grooved tube
[化] 螺纹沟槽管
🧩 词语组成解析
adv. 成螺旋形地
a. 带纹道的；表面有沟槽的
🗣️ 情景例句
And if it's successful,
假如成功的话，
How many pieces are you going to buy?
你要买几块？
but he was in such a bedraggled condition than an assistant refused to serve him.
但店员见他浑身泥水的样子，竟不肯接待他。