Unverified85% confidenceDecision RuleTime unknown
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
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Unverified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93% similarUnverified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92% 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92% similarUnverified每次点燃前把烛芯修剪至约5mm：过长烛芯火焰大、产生黑烟和碳积，会熏黑容器壁并加速蜡消耗。木芯需剪掉燃烧后的碳化层91% similarUnverified每次熄灭前把烛芯修剪到约5mm，火焰过高（芯太长）会产生黑烟和积碳；用盖子或压熄法灭火而非吹灭，可减少烟雾和飞溅90% similar
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