礦用通信電纜線經為 0.5 0.6 0.7 0.8 0.9 1.0 MHYV MHJYV MHYBV MHYA32 MHYYV MHYY32 煤礦用阻燃信號電纜：MHYVR MHYBV MHYV32 MHYVR MHYVP MHYBV MHYVR32 MHYVR 2X7/0.52+2X7/0.28 MHYV 20X2X7/0.28 10X2X7/0.28 5X2X7/0.28 2X2X7/0.28 MHYVR 2X7/0.52+2X7/0.28 MHYV 20X2X7/0.28 10X2X7/0.28 5X2X7/0.28 2X2X7/0.28 20X2X7/0.37 10X2X7/0.37 5X2X7/0.37 2X2X7/0.37 20X2X7/0.43 10X2X7/0.43 5X2X7/0.43 2X2X7/0.43 20X2X7/0.52 10X2X7/0.52 5X2X7/0.52 2X2X7/052 MHYA32 30X2X0.8 50X2X0.8 80X2X0.8 天津市電纜總廠第一分廠