Unverified80% confidenceDecision RuleTime unknown
浓缩型洗衣液毫升单价看似高，但用量仅为普通款1/3-1/2，实际每次成本更低，认准'浓缩'或'超浓缩'标识及每次推荐用量（≤15ml/次为浓缩）
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80%
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Unverified浓缩倍数≥3倍(标注3X/超浓缩)时，单次用量约15-20ml即可，长期成本比普通洗衣液低20-30%，认准表面活性剂含量≥25%89% similarUnverified浓缩型洗剂单次用量通常10-20ml/件，稀释型需30-50ml，按'每件成本'而非瓶价比较性价比更准确88% similarUnverified浓缩比例判断：普通洗衣液推荐用量约35-40ml/次，浓缩型（表面活性剂含量≥25%）推荐用量15-20ml/次，同容量浓缩款可洗更多次，看瓶身推荐用量比单看容量更准88% similarUnverified选购浓缩洗衣液时看表面活性剂总含量，标准浓缩型≥25%、超浓缩型≥40%，含量越高单次用量越少（超浓缩型每次5-8ml即可），换算下来更经济87% similarUnverified浓缩型洗衣液（活性物含量≥25%）单次用量约为普通型（活性物15%左右）的1/2到1/3，订阅制按'包'定量配送时，浓缩型可显著降低单位洗涤成本与物流频次，适合家庭长期订阅86% similar
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