绞车，起货机一种装有卷筒的固定的电动机驱动或手动的吊升机械，卷筒周围缠绕着与提升的重物相连的绳索。

A stationary motor-driven or hand-powered hoisting machine having a drum around which is wound a rope or chain attached to the load being lifted.

youdao

固定于注入头顶部的鹅颈将挠性管柱从卷筒绕着一个受控制的半径送入注入头。

The gooseneck mounted on top of the injector head feeds the tubing string from the reel around a controlled radius into the injector head.

youdao

银幕卷筒、卡片架卷筒固定在黑板上方，图片夹固定在黑板的上框上。

The screen reel drum and the card-shelf reel drum are fixed above the blackboard, and the picture clip is fixed on the upper frame of the blackboard;

youdao