试题与答案

照明器的端电压允许偏移值不应超过额定电压的()。A、120%B、115%C、105%

题型:单项选择题

题目:

照明器的端电压允许偏移值不应超过额定电压的()。

A、120%

B、115%

C、105%

D、125%

答案:

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