高压断路器按其采用的灭弧介质分,有油断路器、六氟化硫断路器、 断路器、压缩空气断路器和磁吹断路器等。 A. 真空
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【单选题】The only factor that is common to 200 and an integer n is 1. When n/200 is written as a decimal number, what is the minimum number of digits to the right of the decimal point?