Hydraulic drawworks consists of roller, wire line system, depth metering device, handle panel, hand device, etc. It has simple frame and is convenient to operate.

液压绞车首要由滚筒、排缆系统、计深装配、操作面板、手摇装配等构成，该设备具有布局简单，操作容易等特性。

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The radio remote control microcomputer system developed for GK_1 locomotive consists of the radio remote controller, main controller, fuel metering system and panel-display.

介绍了一种可编程无线电遥控多通道开关系统的设计方法，详细阐述了其组成结构和工作原理。

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