Unverified79% confidenceTradeoffTime unknown
持香时长与瓶口大小成反比：窄口瓶（瓶口直径＜2cm）挥发慢可持续2-3个月，宽口敞开设计香味浓但1-1.5个月即耗尽
1
Sources
79%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified瓶口内径越窄，香精油挥发面积越小、持香越久，宽口大肚瓶身好看但香味挥发快，窄颈瓶100ml可用2-3个月，宽口瓶可能仅1个月93% similarUnverified常规瓶装为15mL，每次扩香用量仅需3-5滴，单瓶可使用数月；但开封后建议一年内用完以保持香气品质87% similarUnverified瓶口内径宜窄不宜宽：瓶口直径越大香薰液挥发面积越大，扩香强但消耗快、易受空气污染变质；小口窄颈瓶身(内径<2cm)能显著延长使用周期83% similarUnverified15ml瓶装每次扩香用量仅需3-5滴，单瓶可使用数月，虽然单价高但日均使用成本尚可接受83% similarUnverified选择深色遮光玻璃瓶+小规格(250ml以内)，开封后1-2个月内用完，避免大瓶装长期存放氧化酸败82% similar
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