The proper lift pump for deepsea mining is one of key equipment of hydraulicminingsystem 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。
2
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。
3
The long-term evolvement of groundwater system in mining area is infected by the time series of mine hydraulic discharge.