鐵路信號電纜-PTYAPTYA23,鐵路信號電纜PTYA23,鐵路通訊電纜PTYA23,鐵路通信電纜PTYA23。PT,配線(xiàn)電纜PTYA23,配線(xiàn)電纜PTYA23。信號電纜PTYA23,鐵路信號電纜。鐵路信號電纜,線(xiàn)纜規格型號,0.3,0.5,1.0,1.5,2.5,4,6,10,16,25,35,50,70,95,120,150,185,240,300,400,500,PT(配線(xiàn)電纜)。電線(xiàn)電纜。PTYA23,PTYA23。HYAT53,HYAT53。PTYA22,HYAT23HYA23,HYAT23,HYA23,HYA53,HYA53HYAT53。PTHYAT53,HYAT53HYAT53。HYA53HYA53,HYA53HYAT53HYAT53,HYAH53,HYA53HYAT53,HYA,HYAH5,HYAHYATHYAH5,HYAT,PL,DB,HYA22DB,TE態(tài)。