编辑同志:目前我矿井下中央变电所往五_2、四_4两采区供电有—6000V 高压母线,在石门交叉处分路,在分路交叉处设一高爆开关,是否可用高压三通母线盒代替?因我矿资金较 Edit comrades: At present, I mine underground central substation to five _2, four _4 two mining area with -6000V high-voltage power supply bus, shuijia at the intersection of crossings, at the shunt intersection with a high-explosive switch, is available high pressure three Through the bus box instead? Because I mine more money