[KongchangAI]
Unverified85% confidenceFactTime unknown

PVA吸水海绵吸水量可达自重8-10倍,适合擦干环节;但PVA干燥后会变硬,使用前必须泡水软化,长期不用需保持湿润或密封

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85%
Confidence
Long-term
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