MHYV|煤矿用通信电缆|MHYV 煤矿用聚（氯）乙烯绝缘和聚氯乙烯护套电话电缆 pvc insulatedpvc sheathed bephone 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电话机连接线 scope of application:this product is fit for being laid in fixed placed in mines for the connection of communication trunk linesjunction boxbephones. 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