单项选择题
基站的馈线接地排宜采用截面积不小于()的铜排,铜排的安装应与基站室外走线架隔离。
A.100mm*10mm
B.200mm*10mm
C.200mm*20mm
D.50mm*40mm
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单项选择题
A.100mm*10mm
B.200mm*10mm
C.200mm*20mm
D.50mm*40mm
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