软芯矿用软电缆MHYVR 10*2*0.4 10*2*0.5软芯矿用软电缆MHYVR 10*2*0.4 10*2*0.5
MHYVR
煤矿用聚乙烯绝缘聚氯乙烯护套通信软电缆
(5-10)*2*(0.75-1.5)