未知题型
电缆是常用的电气材料,下列电缆的类型中,不能受机械外力作用,适用于室内、隧道内的桥架及管道内敷设的是( )。
- A.VV型
B.ZR—YJFE
C.VV22
D.YJV22
【参考答案】
A
本题考核的是电缆的类型及应用。电缆的类型及应用包括的内容有:(1)VV型、YJV型:聚氯乙烯型电力电缆、交联......
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