Unverified75% confidenceTradeoffTime unknown
吸水性和耐用性存在权衡:木浆纤维海绵吸水性极强(吸自重10倍以上水分)但久用易变硬开裂;聚氨酯发泡海绵耐用但吸水性一般
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75%
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Long-term
Relevance
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