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【Daily Question No. 023】2017.07.30

2017-07-30View Original

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【Daily Question No. 023】July 30, 2017: UPS provides electrical equipment with a supply of () power under normal and fault conditions, thereby ensuring stability in voltage and frequency for the critical loads connected to it. A. Gap B. Discontinuity C. Continuity D. Unchanged. The reference answers can be seen after responding; scoring is possible by identifying the key points. Third: Petrochemical Zone – “Creative Ideas for Energy Saving”: The second phase of this event is in full swing. http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum)

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