防爆电话线MHYV 5×2×1 防爆电话线MHYV 5×2×1, MHYV —煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆;推荐适用规格型号:5,10,20,30,50,80,100×2×1/0.8,0.5,0.6,0.7,0.8,1.0MM MHYAV—煤矿用聚乙烯绝缘铝-聚乙烯粘接护层聚氯乙烯护套通信电缆;推荐适用规格型号:5,10,20,30,50,80,100×2×1/0.8,0.5,0.6,0.7,0.8,1.0MM 天津市电缆总厂第一分厂