问题
单项选择题
基站内保护接地线一般采用不小于多少的多股铜导线（）
A、25MM²
B、16MM²
C、35MM²
D、50MM²
答案
参考答案：C
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基站内保护接地线一般采用不小于多少的多股铜导线（）
A、25MM²
B、16MM²
C、35MM²
D、50MM²
参考答案：C
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