... 直流电缆 direct current cable 直流电力电缆 direct current power cable 直流电阻 direct current resistance ...
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There are several alternate means of transmitting electric power, for example, by alternating or direct current, overhead or underground cable, and all over a wide range of voltages.
有多种送电途径可选择，例如由交流或直流，架室线或地下电缆送电并有各种电压等级。
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