室内外电话线HYV50×2×0.4
MHYAV矿用电话线
MHYV10*2*1/0.97-MH...
MHYAV矿用电话线MHYAV-20...
矿用电话线MHYVR1*3*7/0....
电话线MHYV2*2*7/0.3...