矿用信号电缆MHY32 1×4×1....
MHY32 3*2*7/0.52矿用...
矿用钢丝铠装通信电缆MHY32 MH...
矿用钢丝电缆MHY32 (10X2X...
矿用斜井和平巷用MHY32