Unverified85% confidenceFactTime unknown
护理垫吸水核心结构分四层：表层(无纺布/打孔膜)→导流层→吸收芯层(绒毛浆+SAP)→PE防水底膜；判断品质应拆看芯层是否有足量SAP颗粒而非仅靠厚度
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85%
Confidence
Long-term
Relevance
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