[KongchangAI]
Unverified87% confidenceFactTime unknown

干粉灭火器有效期通常为5年,到期后需整体更换或送检重新充装,长期放置于高温车内(如夏季暴晒)会加速药剂失效和瓶体腐蚀

1
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87%
Confidence
Long-term
Relevance
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