[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

钢砂填充比普通铁砂密度更均匀、不易结块,但整体硬度仍高于棉花/软珠填充,骨骼脆弱者需注意贴合部位是否硌骨

1
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80%
Confidence
Long-term
Relevance
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