The paper adopts hoister slip method and two mast soil method to carry and hoist large LiBr unit equipment, it' s low costs and safe reliability.
采用卷扬机滑移法搬运和双桅杆土法吊装澳化锂机组大型设备，成本低、安全可靠。
Most rotating chassis and winch (or hoist) systems of domestic drill rigs are driven by hydraulic transmission in the 90's.
90年代以来，国内研究制造的大扭矩转盘式工程钻机基本上都采用液压传动方式驱动转盘和卷扬（或提升）系统。
The given hoist speed could be realized by S-shape speed curve which produced by PLC control software to increase speed regulation capability and precision.
提升机速度给定采用PLC控制软件生成S形速度曲线实现，可提高调速性能和精度。
The given hoist speed could be realized by S-shape speed curve which produced by PLC control software to increase speed regulation capability and precision.
提升机速度给定采用PLC控制软件生成S形速度曲线实现，可提高调速性能和精度。
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