矿用通信电缆PUYVP
MHYVP矿用通信电缆
电缆MHYV1X4X1/0.43
电缆MHYAV 30X2X0.8
矿用通信电缆MHYVR
MHYV电缆
煤矿用阻燃电缆MHYBV
MHYA32矿用通信电缆
MHYV矿用电话电缆