Unverified88% confidenceSolutionTime unknown
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
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88%
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Long-term
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Unverified单次连续燃烧不应超过4小时,超时会导致烛芯变长、火焰过大、蜡杯过热甚至炸裂,燃烧后需修剪烛芯至5mm再下次使用93% 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93% similarUnverified点燃时若出现大量黑烟和杯壁熏黑,说明烛芯过长——每次点燃前应将烛芯修剪到约5mm,否则不仅产生黑烟也缩短燃烧时长91% 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89% similarUnverified每次点燃前将烛芯修剪至约5mm(0.5cm),过长的烛芯(>8mm)会导致火焰过大、黑烟增多和杯壁熏黑,也加快耗蜡89% similar
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