HYA室外通信電纜；HYA電話線；HYAT報價 hyap2，HYA23，HYA53，HYA室外通信電纜；HYA電話線；HYAT報價，hyap22電纜，hyac電纜，HYA室外通信電纜HYA電話線HYAT報價  

    HYA室外通信電纜HYA電話線                    通信電纜型號HYA    HYAC    HYAT    HPVV    HYV    HJVV    HYY                    配線電纜型號HPVV    ZR-HPVV                    局用電纜型號HJVV    HJVVP    ZR-HJVV    ZR-HJVVP                    鎧裝通信電纜型號HYA53    WDZ-HYA53    ZRC-HYA53                    填充式鎧裝通信電纜型號HYAT53    WDZ-HYAT53    ZRC-HYAT53                    其它鎧裝通信電纜型號HYA22    HYV22    HYAT22    HYY23    HYYT23    HYA23    HYAT23                    鋼絲鎧裝通信電纜HYA33    HYAT33    WDZ-HYA53    HYY33    HYYT33    HYY33                    充油通信電纜HYAT    ZRC-HYAT    WDZ-HYAT    HYYT                    全塑市話電纜執行標準：YD/T322-1996                    全塑市話電纜結構特點：    HYA型市內通信電纜采用全色譜高密度聚乙稀絕緣，鋁塑綜合護套(即電纜的縱包屏蔽鋁帶與護套粘結成一體，形成密封護層)，具有電氣性能優越，施工方便的特點。                    全塑市話電纜主要電氣性能：                    1.    直流電阻:20℃    0.4    ≤148?/km    0.5    ≤95.0?/km    0.6    ≤65.8?/km    0.8    ≤36.6    ?/km                      
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