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
Give me a discount.
给我打个折吧。
He knows enough that can live and hold his peace.
见多识广者沈默寡言。
Hello, Jim! Help yourself to a cake.
你好，吉姆！请随便吃糕点。