Unverified80% confidenceDecision RuleTime unknown
每次点燃不宜超过4小时，超时会导致杯壁过热、香精过度挥发变味并产生更多烟灰；熄灭前修剪烛芯至约5mm可显著减少黑烟和积碳
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80%
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Long-term
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Unverified每次点燃控制在2-4小时内，超过4小时烛芯会积碳变长产生黑烟、香味变焦，熄灭后应剪芯至5mm再次点燃可延长总时长并减少烟雾92% similarUnverified每次熄灭后应将烛芯修剪至约5mm再点燃，过长的烛芯（>8mm）是产生黑烟和积碳的主因，也会加快蜡耗；点燃时间单次不超过3-4小时以避免容器过热89% similarUnverified每次点燃前应将烛芯修剪至约5mm，过长的烛芯是黑烟和不均匀燃烧的主因；单次燃烧时间不宜超过4小时，超时会导致容器过热和蜡液过度融化影响后续使用88% similarUnverified每次燃烧建议不超过4小时，超时会导致容器过热、蜡池过深使棉芯歪斜和黑烟增多；熄灭前应修剪芯并用盖子闷灭而非吹灭减少烟雾87% similarUnverified单次燃烧不宜超过4小时，超时会使容器过热、蜡液温度过高导致香气焦化变味并增加安全风险；大容量蜡烛需分次燃烧87% similar
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