Flanged pulley
[机] 凸缘皮带轮
🧩 词语组成解析
带凸缘的, 用法兰连接的, 折边的
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
It's not a bad plan.
这是个不错的计划。
The road to hell is paved with good intentions.
徒有良好的愿望而不去努力实现，后悔莫及。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。