Unverified82% confidenceFactTime unknown
自充气垫开阀后海绵回弹自动吸气，但需人工补吹几口达到理想硬度；长期存放应打开阀门让海绵舒展，压缩存放会导致回弹力永久下降
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82%
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Long-term
Relevance
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