比如，供电电缆的电气特征和扬声器电缆明显不同。

For example, the electrical characteristics of the power cable are significantly different from those of the speaker cable.

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然而我们不能保证，煤气线路和供电电缆将会全部运转。

We cannot guarantee however, that gas lines and electricity lines will all be operational.

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随着城市配网供电电缆化和城市景观要求，电缆通道资源对配电网线路走向有着直接影响。

Under the cabling of urban network and demanding of city landscape, the resources of cable trench have a direct impact on the routes of network.

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