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超声波雾化片工作频率通常约2.4MHz，长期使用应每周用白醋或柠檬酸清理雾化片水垢，否则雾量会逐月衰减

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Unverified超声波香薰机雾化片工作频率通常在2.4MHz左右，硬水地区（水垢多）需定期用柠檬酸清洗雾化片，否则出雾量会明显下降92% similar Unverified超声波香薰机的雾化片工作频率通常在1.7-2.4MHz，纯精油（未加水）会腐蚀雾化片，必须选择支持水氧扩散的机型或改用无水香薰机（冷雾扩香/纳米雾化）79% similar Unverified长期使用后超声波振片易积垢导致雾量变小，需定期用柠檬酸或专用清洁剂清洗水箱和振片78% similar

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