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通过实验室和现场试验探讨离心、轴流风机和ＢＡ泵、Ｄ型泵入口局部构件的特性，给出了试验结果。应用该研究成果成功地实现了煤矿主通风机和煤矿主排水泵的流量监测。
Through laboratory and field experiments to explore the centrifugal, axial fans and BA pumps, D-pump inlet local components of the characteristics of the test results are given. Application of the research results successfully achieved the main coal mine ventilation fans and the main drainage pump flow monitoring.