通过调整矿井主排水泵流量,使矿井主排水设备安全经济运行,节约投。
By adjusting main drain off water pump flow quantity, this paper makes main drain off water equip running safe, economy, saving investment.
在煤矿井下的排水系统中,需要多台排水泵协调地工作。
Mechanics research on chief draining pump cavitation damage in coal mine;
在煤矿井下的排水系统中,需要多台排水泵协调地工作。
Mechanics research on chief draining pump cavitation damage in coal mine;
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