Unverified85% confidenceDecision RuleTime unknown
每次燃烧前把烛芯修剪到3-5mm，可减少黑烟和积碳、延长燃烧时长；单次燃烧不超过4小时可防止玻璃过热开裂和烛芯偏移
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Unverified每次点燃前将烛芯剪至约5mm，可减少黑烟、防止火焰过大和容器熏黑；燃烧单次不超过4小时避免容器过热开裂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92% similarUnverified每次点燃前将烛芯修剪至5mm左右，可显著减少黑烟和积碳，延长燃烧时长并保持火焰稳定90% similarUnverified每次点燃前把烛芯修剪至约5mm（0.5cm），可显著减少黑烟、防止火焰过大烧焦玻璃杯壁；烛芯过长是黑烟和蜡杯发黑的首要原因89% similarUnverified每次熄灭后应将烛芯修剪至约5mm再点燃，过长的芯会产生大火焰、黑烟并加速消耗；修剪后再点可显著减少积碳和杯壁熏黑89% similar
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