Unverified90% confidenceDecision RuleTime unknown
每次点燃前应将烛芯修剪至约5mm，过长烛芯是黑烟和'蘑菇头'积碳的主因，也会导致火焰过大加速消耗
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Unverified每次熄灭前将烛芯修剪至约5mm，可减少黑烟、防止碳积（蘑菇头）导致的火焰过大和冒黑烟90% similarUnverified每次点燃前将烛芯修剪至约5mm，可减少黑烟、蘑菇头和杯壁熏黑，火焰过高变形是烛芯过长的信号90% 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89% 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88% similarUnverified燃烧时烟雾和黑烟较少，但前提是每次点燃前需修剪烛芯至约5mm，否则仍会出现黑烟和烛芯蘑菇头88% similar
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