[KongchangAI]
Unverified90% confidenceFactTime unknown

纤维素海绵布(德式木浆海绵布)自重可吸水10-15倍,干燥后变硬呈板状,用水浸泡后恢复柔软,这是纯天然纤维素的正常特性,非质量问题

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