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High voltage current is usually carried by overhead wire system so as to prevent living things being electrocuted.
为了防止人畜触电，高压线一般采用高架线传送。
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The trolley bus picks up current from an overhead wire.
无轨电车的电能是通过架空线供给的。
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The trolley bus picks up current from an overhead wire.
无轨电车的电能是通过架空线供给的。
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