试题与答案

电力电缆巡视周期规定如下:a)敷设在土壤中、隧道中、沟道中及沿桥梁架设的电力电缆,每

题型:单项选择题

题目:

电力电缆巡视周期规定如下:a)敷设在土壤中、隧道中、沟道中及沿桥梁架设的电力电缆,每()个月一次;b)竖井内敷设的电力电缆,至少每()个月一次

A.1、3

B.2、4

C.3、6

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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