[KongchangAI]
Unverified80% confidenceFactTime unknown

多数无线吸尘器滤网建议每3-6个月更换(每周使用2-3次频率下),持续使用后即使清洗吸力仍明显下降是更换信号;商用/大量粉尘场景需缩短至1-2个月

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80%
Confidence
Long-term
Relevance
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MCP
get_claim(id=362152)