试题与答案

()不属于灯具中使用的衬垫和套管的作用。 A.机械防护功能 B.耐压功能 C.电气绝

题型:单项选择题

题目:

()不属于灯具中使用的衬垫和套管的作用。

A.机械防护功能

B.耐压功能

C.电气绝缘功能

D.耐热功能

答案:

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