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。
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。
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。
The electric timing system of the main lifting structure on bridge crane is researched in this paper for providing a reference to the improvement of the electric controlling system.
主要研究桥式起重机主起升机构调速系统，为工厂桥式起重机电控系统改造提供一种参考。
This paper presents main parameters of improved inclined shaft lifting system.
介绍了某矿斜井提升系统改造中所需制动力矩的分析、计算；
This paper introduces the circuit principles of the electric controlled lifting system on the lifting vehicles for fire control and the structure of parts of the main components.
就日本多田野株式会社生产的高空作业车主控电路板的功能及原理进行了分析，提供了主要电气原理图，并根据原理分析了故障实例。
This paper introduces the circuit principles of the electric controlled lifting system on the lifting vehicles for fire control and the structure of parts of the main components.
就日本多田野株式会社生产的高空作业车主控电路板的功能及原理进行了分析，提供了主要电气原理图，并根据原理分析了故障实例。
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