[KongchangAI]
Unverified72% confidenceDecision RuleTime unknown

承重结构材质优先选PP工程塑料或金属机芯,纯PVC/发泡材质长期负重易变形塌陷,标称承重应≥使用者体重1.5倍余量

1
Sources
72%
Confidence
Long-term
Relevance
-
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