I类设备(class I equipment)
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就接地(零)端子而言,I类设备是()的设备。A金属外壳上有接地(零)的端子B金属外壳上和内部不带电导体上都没有接地(零)端子C金属外壳上没有接地端子,内部不带电导体上有...
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4、The roomcontained__________equipment i
The roomcontained__________equipment including several TV monitors.AlittleBa fewCa number ofDa lot of
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5、I have classes()day: Mondays, Wednesda
I have classes()day: Mondays, Wednesdays, and Fridays.Aeach otherBevery otherCon one way or anotherDany other
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移动式电气设备一般属于I类电器。A正确B错误