Unverified85% confidenceDecision RuleTime unknown
检查餐椅承重立柱与横梁的连接螺丝是否有滑丝、生锈或补焊痕迹,晃动椅身若前后左右摆动超过2cm说明结构已松动老化,实木餐椅还需检查榫卯是否开胶
1
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85%
Confidence
Long-term
Relevance
-
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