Unverified85% confidenceCautionTime unknown
冷扩散扩香仪必须定期用无水酒精清洗雾化喷嘴，否则精油残留结晶堵塞后雾化量骤减且无法修复；不能接受维护成本者别买冷扩散
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85%
Confidence
Long-term
Relevance
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Unverified冷扩散机型的雾化喷嘴需定期用酒精清洗，否则精油氧化结晶会堵塞导致喷不出；选购时应确认喷嘴可拆卸或有自清洁功能，否则维护成本高87% similarUnverified无水雾化机的玻璃瓶或负压腔体内会残留纯精油，切换香型前需彻底清空并空跑，否则串味；不适合频繁更换精油品种的用户83% similarUnverified冷扩散机型的精油残留和管路结晶是主要维护痛点，需选择带自动清洁模式或可拆卸精油瓶的机型，长期不清理会导致喷嘴堵塞、出雾量下降82% similarUnverified雾化喷嘴容易被粘稠或树脂类精油堵塞，需要定期用酒精清洗维护，怕麻烦的用户慎选81% similarUnverified无水雾化（Nebulizing）扩香仪清洗最麻烦，玻璃管道易积油需定期用酒精疏通，不适合怕折腾或高频换香型的用户80% similar
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