Broadband digital communications connection that operates over standard copper telephone wires.

宽频数字通讯线路,在标准的电话铜线上运作.

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The standard copper coins have turned out to be very valuable now.

制钱现已成为很有价值的东西.

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This product specification shall apply to different standard copper coils for air conditioning and refrigeration.

本规格书适用于空调、冰箱用各种规格的光管.

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