mhyv煤矿用聚（氯）乙烯绝缘和聚氯乙烯护套电缆 煤矿用聚（氯）乙烯绝缘和聚氯乙烯护套电缆 pvc insulatedpvc sheathed ephone cables for use in mines 产品用途:本产品适用于固定敷设在矿井作通信干线及分线箱与机连接线 scope of application:this product is fit for being laid in fixed placed in mines for the connection of communication trunk linesjunction boxephones. 执行标准 standards implemented: q/3210hl29-2003 型号、名称及使用范围 model desc-riptionsuse scope 型 号 model 名 称 desc-riptions 使 用 范 围 scope of application mhvv（huvv） 煤矿用聚氯乙烯绝缘阻燃聚氯乙烯护套电缆 pvc insulated fire retardant pvc sheathed ephone cables for use in mines 矿井中一般场合 general circumstances in mines mhvvr（huvvr） 煤矿用聚氯乙烯绝缘阻燃聚氯乙烯护套软电缆 pvc insulated fire retardant pvc sheathed soft ephone cables for use in mines 矿井中分线盒、分线箱与机连接的场合 where connection between junction boxephone is required in mines mhvv22（huvv22） 煤矿用聚氯乙烯绝缘钢带铠装阻燃聚氯乙烯护套电缆 pvc insulated steel tape armored fire retardant pvc sheathed ephone cables for use in mines 矿井中承受一定冲击力和压力的场合 where cables are under some impactpressure in the mine mhvv32（huvv32） 煤矿用聚氯乙烯绝缘细圆钢丝铠装阻燃聚氯乙烯护套电缆 pvc insulated fine round steel wire armored fire retardant pvc sheathed ephone cables for use in mines 矿井中垂直敷设或承受较大拉力的场合 vertically laid or laid where the cables are under big impactpull force in mines mhyv（huyv） 煤矿用聚乙烯绝缘阻燃聚氯乙烯护套电缆 pe insulated fire retardant pvc sheathed ephone cables for use in mines 矿井中一般场合 general circumstances in mines mhyvr（huyvr） 煤矿用聚乙烯绝缘阻燃聚氯乙烯护套软电缆 pe insulated fire retardant pvc sheathed soft ephone cables for use in mines 矿井中一般场合 general circumstances in mines mhyv22（huyv22） 煤矿用聚乙烯绝缘钢带铠装阻燃聚氯乙烯护套电缆 pe insulated steel tape armored fire retardant pvc sheathed ephone cables for use in mines 矿井中承受一定冲击力和压力的场合 where cables are under some impactpressure in the mine mhyv32（huyv32） 煤矿用聚乙烯绝缘细圆钢丝铠装阻燃聚氯乙烯护套电缆 pe insulated fine round steel wire armored fire retardant pvc sheathed ephone cables for use in mines 矿井中垂直敷设或承受较大拉力的场合 vertically laid or laid where the cables are under big impactpull force in mines