chain drum

基本解释

Un-chain yourself of the drum!
联合国链自己的鼓！
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Each set has an anchor chain lifter, a hawser drum and a warping drum. One spare motor shall be provided for the windlass.
每台设有一个锚链轮，一个系缆筒和一个付缆筒。
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The transmission route of an annulus logging truck is: chassis engine→transfer case→variable displacement pump→constant displacement motor→reducer→chain drive→drum.
前言：环空测试车主要用于油井的环空测试，其传动路线为：底盘发动机→分动箱→变量泵→定量马达→减速器→链传动→滚筒。