For voltages below that level, its capacity must be derated at approximately 250 ma per volt.

对于电压低于这一水平，必须降低其容量约为250伏电流。

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For voltages below that level, its capacity must be derated at approximately 250 ma per volt.

对于电压低于这一水平，必须降低其容量约为250伏电流。

youdao