直流操作电源系统是变电站中的重要设备。

The DC operation power supply system is a kind of important equipment in substation.

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直流操作电源系统是变电站中的重要设备。

The DC operation power supply system is a kind of important equipment in transformer substation.

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电源连锁环保系统，保障操作安全。

Power interlock protective system ensures safe operation.

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电源连锁环保系统，保障操作安全。

Power interlock protective system ensures safe operation.

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