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工作面漏风情况分析兖州矿务局南屯煤矿倪兴华，张广文为分析６３上１０工作面和７３上１３－１工作面漏风状况，在７３上１３－１工作面释放ＳＦ６，在６３上１０工作面接收，以分析两面间的漏风状况。１测定前的准备１．１压能测定对６３上１０工作面回风巷和７３上１３...
Analysis of Air Leakage in Faces Ni Xinghua, Zhang Guangwen, Nantun Coal Mine, Yanzhou Mining Bureau In order to analyze the air leakage on 63 Shang 10 working face and 73 Shang 13-1 working face, SF6 was released on No. 73-1 working face 73, Received, to analyze the air leakage between the two sides. 1 Determination before the preparation 1.1 Determination of pressure on the 63 on the 10 face return airway and 73 on the 13 ...