矿用防爆通讯电缆MHYAV22-30...
MHYV矿用信号电缆1*4*7/0....
MHYV煤矿用通信电缆10*2*0....
MHYV电缆5×2×7/0.52矿用...
MHYBV 5*2*0.9矿用通信电...
MHYVP矿用仪表信号16*2*0....