[KongchangAI]
Unverified85% confidenceFactTime unknown

家用手提式干粉灭火器有效期一般为5年(瓶体),压力表指针在绿区为正常,掉入红区或黄区需重新充装或更换;水基型有效期约3-6年,需定期查看

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85%
Confidence
Long-term
Relevance
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