[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

台盆孔距决定单孔/双孔选型:单孔龙头适配1个安装孔(冷热混水),双孔/三孔需匹配台面预留孔距(常见102mm或203mm),墙出水必须墙内已预埋冷热管,改造成本高

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