Unverified80% confidenceDecision RuleTime unknown
PE薄膜和单向阀组件存在老化问题，长期挂在钥匙扣上受挤压、高温、日晒后材料可能变脆或阀片变形，建议关注包装标注的有效期并定期更换
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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