MHYVR 5*2*7/0.43矿井...
MHYV1*6*7/0.52井下通信...
矿用铠装通信电缆MHYV22100*...
矿用通信电缆-MHYVP1*4*1....
MHYVP 10*2*0.8矿用防爆...
瓦斯监控线 MHYVRP 1×2×7...