A device, such as a cylinder, spool, or frame, that turns on an axis and is used for winding and storing rope, tape, film, or other flexible materials.

卷轴：一种如卷筒、卷轴或框，绕轴旋转装置，用于卷起和贮存绳索、磁带、胶片或其它带弹性的物质。

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An apparatus used for hoisting weights, consisting of a vertical spool-shaped cylinder that is rotated manually or by machine and around which a cable is wound.

绞盘，卷扬机一种用于吊起重物的装置。该装置包括一垂直的线轴形圆筒，由人力或机器使之旋转，在其周围绕有。

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This paper introduces the sealing and leakage preventative of oil tank, driving shaft, control mechanism, oil cylinder, spool, etc. in particular.

本文着重介绍了油箱、传动轴、操纵机构、油缸及滑阀等部件的密封防漏。

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