不定项选择题:设在电信竖井中金属线槽内的综合布线电缆与沿竖井内明敷且容量大于100kV·A的380V电力电缆之间的最小净距应为下列哪一

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题目内容:
设在电信竖井中金属线槽内的综合布线电缆与沿竖井内明敷且容量大于100kV·A的380V电力电缆之间的最小净距应为下列哪一项数值?请说明依据。(  ) A.100mm
B.150mm
C.200mm
D.300mm

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