随着通信与网络的飞速发展，对称数字通信电缆的需求增长很快。
With the rapid development of telecommunication and network, the demand for symmetrical category cables is fast increasing.
随着通信与网络的飞速发展，对称数字通信电缆的需求增长很快。
With the rapid development of telecommunication and network, the demand for symmetrical category cables is fast increasing.
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