Unverified80% confidenceTradeoffTime unknown
被动扩香（藤条/香薰石）安全无热无火但持续力弱、需2-3天补一次油且香型固定；超声波扩香范围广可换香但需清洗防霉，怕麻烦选被动，追求氛围选超声波
1
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80%
Confidence
Long-term
Relevance
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