MHYAV矿用信号电缆-MHYAV ...
MHYVR 1*2*7/0.43...
MHYVP-2*2.5+2*0.75...
MHYV1*4*7/0.52煤矿用信...
矿用信号电缆/MHY32矿用信号电缆
MHYV矿用信号电缆-PUYV