V-grooved pulley
[化] 三角皮带轮
🧩 词语组成解析
a. 带纹道的；表面有沟槽的
pulley
['pʊli]
n. 滑轮（组），滑车;皮带轮;
v. 用滑轮升起，用滑车推动;给…装滑车;
🗣️ 情景例句
Lovely!
太可爱了！
He always plays the pinball machine.
他通常玩游戏机。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。