MHYV 5芯矿用电话电缆
矿用电话电缆 MHYBV 30×2×...
矿用电话电缆MHYBV 10×2×0...
矿用电话电缆MHYBV HUYBV煤...
矿用电话电缆MHYBV-7-1
矿用电话电缆MHYBV 20×2×0...