[KongchangAI]
Unverified82% confidenceFactTime unknown

充气垫面料常用20D-75D尼龙/涤纶,D数越高越耐磨抗刺但越重;40D是耐用与轻量的常见平衡点,防水层多为TPU(比PU耐用且更环保)

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82%
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