HYA53通信电缆50*2*0.7 HYA信号线30*2*0.4标准
直埋充油线HYAT53 HYAT22 HYAT23 矿用通信电缆|计算机电缆提供的直埋铠装通信电缆A33 HYA43 HYAT33 HYAT43 HYY HYY23 HYY33 HY32 ZRC-HYA WDZ-HYA直埋通信电缆-HYA53, HYA22 HYA23 ZRHYA23 ZRHYA22 ZRHYA53直埋充油线HYAT53 HYAT22 HYAT23 ZRHYAT22 ZRHYAT23 ZRHYAT53 .HYA53通信电缆50*2*0.7 HYA信号线30*2*0.4标准HYA53 5x2x0.4 HYA53 5x2x0.5 HYA53 10x2x0.4 HYA53 10x2x0.5 HYA53 20x2x0.4 HYA53 20x2x0.5 HYA53 30x2x0.4 HYA53 30x2x0.5 HYA53 50x2x0.4 HYA53 50x2x0.5 HYA53 100x2x0.4 HYA53 100x2x0.5 HYA53 200x2x0.4 HYA53 200x2x0.5 HYA53 300x2x0.4 HYA53 300x2x0.5 HYA53 500x2x0.4 HYA53 500x2x0.5 HYA53 1000x2x0.4 HYA53 1000x2x0.5 国家标准;电缆 计算机电缆 铁路信号电缆 埋地话缆HYA53 HYAT53 HYAT23 HYA23 多股独根电源线ZA-RVV RVVZ ZRVVR RVV 连接软电缆 RVVP屏蔽电缆