The proper lift pump for deepsea mining is one of key equipment of hydraulic mining system of ocean polymetallic nodules.
深海采矿专用提升泵是大洋多金属结核水力开采系统的关键设备之一。
The hydraulic hinged joint steering system now finds wide use in front—loading machinery, heavy truck and self—propelled mining and engineering vehicles.
目前，在前端式装载机、大型车辆及其它自行式矿山和工程机械上广泛地采用了液压传动的铰接转向方式。
The long-term evolvement of groundwater system in mining area is infected by the time series of mine hydraulic discharge.
矿井涌水量时间序列包含矿区地下水系统长期演化的信息。
The paper gives an introduction about the hydraulic element's testing system of coal mining machinery, and analyzes experimental method and results.
介绍了采煤机主要液压元件的测试系统，并对测试方法、测试结果进行分析。
The deployment and retrieval of mining system are significantly affected by ocean environment, thus it is essential to consider the ocean load on mining system and calculate the hydraulic forces.
采矿系统的布放回收作业必须克服海洋环境的影响，因此对布放回收作业受海洋载荷影响研究以及海洋载荷（尤其是水动力）的计算是非常有必要的。
The South ore-bearing zone of Wushan copper mine is mined with ascending horizontal slicing hydraulic fill crosscut mining system. Roof falling and rib spalling occurred in any times.
武山铜矿南矿带采用上向水平分层进路水砂充填法回采，采场多次发生冒顶、片帮。
Analyses hydraulic system of cutting unit of roadheader-ring MLE250/500-M and the electro-hydraulic control technology was adopted, it may obtain higher speed of roadheader-ring in mining face.
分析了MLE250/500-M型掘锚机截割机构的液压系统，提出采用电液控制技术方案，从而达到快速掘进的目的。
Analyses hydraulic system of cutting unit of roadheader-ring MLE250/500-M and the electro-hydraulic control technology was adopted, it may obtain higher speed of roadheader-ring in mining face.
分析了MLE250/500-M型掘锚机截割机构的液压系统，提出采用电液控制技术方案，从而达到快速掘进的目的。
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