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Daily Electrical Engineering Question (2018.08.20)

2018-08-20View Original

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For those loads that are particularly important among the first-class loads, in addition to being powered by two power sources, an emergency power source should also be provided, and () other loads should be connected to the emergency power supply system. A. Possible B. Not advisable C. Strictly prohibited D. Moderate
Reply #22018-08-20
C. Rapid replies are strictly prohibited #here#

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