Unverified80% confidenceDecision RuleTime unknown
缠绕电线接头正确层数:低压电线接头需半叠缠绕至少2层(约相当于覆盖4层胶带厚度),仅缠1层绝缘余量不足,缠绕方向应顺着导线自然弯曲避免松脱
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