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1·In the courtyard there is a glass and steel structure building. It is the management and service center of Winch and the auxiliary facilities office.

在庭院里有一间有玻璃和钢结构建成的副楼，是为大厦管理服务中心所在和大厦辅助配套设施用房。

2·The mooring wire winch is the main auxiliary machinery in ocean development.

锚链绞车是海洋开发不可或缺的主要辅助机械。

3·This paper introduces the work principle of four-quadrant operating high-pressure frequency converter, and its application in coal mine auxiliary shaft winch innovation system.

介绍了四象限运行高压变频器的工作原理，并应用到煤矿副井绞车改造系统。