MHYA32-30×2×0.7钢丝铠...
MHYA32-50×2×0.7钢丝铠...
MHYV矿用信号电缆-PUYV
MHYAV矿用通讯电缆厂家
MHYVP-1*3*1.0mm²-M...
MHYVR煤矿用通信软电缆