MHYBV矿用工程专用电缆
矿用通信电缆MHYBV,MHYAV
矿用通信电缆MHYBV-20*2*0...
矿用通信电缆MHYBV-30*2*0...
矿用通信电缆MHYBV-50*2*0...
MHYBV- 10*2*0.8 矿用...