煤矿用通讯电缆MHYVP 5*2*0...
煤矿用信号传输电缆MHYV1*2*7...
矿场通信号传输电缆MHYV电缆
MHYVRP煤矿用阻燃信号电缆
矿用通信电缆MHYVP 1X4X7/...
MHYVRP2*2*7/0.43矿用...