Unverified88% confidenceDecision RuleTime unknown
管径按容线量选：单根充电线选内径6-8mm；2-4根线束选10-16mm；电视/电脑区5根以上线缆选20-25mm。预留20%余量方便后期加线，管径过小会挤压电线绝缘层
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88%
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