[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

单相家庭电路选1P+N或2P,其中1P+N只断火线不断零线(占1个模数省空间),2P火零同时切断(占2个模数更安全);三相电路用4P。租房或改造推荐2P以确保断电彻底

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get_claim(id=355707)