宽带数字对称电缆：符合标准：YD/T818。用途：电缆主要用于数字交换设备之间的连接，也用于宽带网络传输。
Broadband Digital Symmetrical Cable: Conform to the standard:YD/T818. Usage:Mainly used for connection between digital switching equipments and Broadband Networks.
宽带数字对称电缆：符合标准：YD/T818。用途：电缆主要用于数字交换设备之间的连接，也用于宽带网络传输。
Broadband Digital Symmetrical Cable: Conform to the standard:YD/T818. Usage:Mainly used for connection between digital switching equipments and Broadband Networks.
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