Due to collapse accident of main chute took place in Xincheng Gold mine, the ore lifting system of main shaft was paralysed which caused grave effect on mine operation.

新城金矿主溜矿井曾发生塌落事故，造成了主竖井矿石提升系统的瘫痪，严重影响了矿山生产任务的完成。

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This paper discussed the design of a new type of hydraulic system of malt lifting box, theselection of basic circuit and the calculation of the main parameters in the beer industry.

本文论述了啤酒行业新型麦芽升降箱液压系统的设计、基本回路的选择和主要参数的计算。

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The oil-line structure, control system and their working principles of the hydraulic lifting system for the main magnets of CYCIAE-30 cyclotron are introduced.

研究设计了CYCIAE-30回旋加速器主磁铁液压举升系统的油路结构和控制系统，并说明了它的工作原理。

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