MHYV HUYV煤矿用通信电缆
MHYVR 2*2*7/0.28...
MHYVR(PUYVR)20*2...
MHYV 5x2x0.5矿用通信...
MHYVR 1*2*7/0.43...
MHYV 2*2*7/0.52 ...