【单选题】
电能表是测量()用的仪器。___
A. 电流
B. 电压
C. 电能
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答案
C
解析
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相关试题
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B. 火灾、交通事故
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Which three descriptions of RADIUS are true？ ___
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【多选题】
Which two configurations can prevent VLAN hopping attack from attackers at VLAN 10？___
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Which two statements about hardware-based encrption are true？___
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24．对于工作环境恶劣、启动频繁的异步电动机，所用热继电器热元件的额定电流可选为电动机额定电流的___倍。
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B. O.85~0.95
C. 1.05~1.15
D. 1.15~1.50
