礦用通信設(shè)備電纜MHYBV電纜|MHYBV礦用監(jiān)測電纜|MHYBV瓦斯監(jiān)控線MHYBVR井下探測電纜MHYBVR井下弱電電纜MHYBVR MHYV MHYVR MHYVRP PUYV PUYVR PUYVRP MHYBV PUYV31 MHYBVR MHYV (1-10對) MHYAV (5-100對) MHYA32(5-100對) MHY32 (2-19對) MHYVP (2-10對) MHYVRP(2-10對) 煤礦用阻燃控制電纜:MKVV MKVV22 MKVV32 MKVVR MKVVRP