Unverified80% confidenceTradeoffTime unknown
气味强度与持久度成反比权衡:合成萘/对二氯苯气味冲、扩散快但2-3个月即挥发殆尽;天然樟脑气味柔和、持久度可达4-6个月,选购防蛀效果优先应看总有效成分含量而非气味浓烈程度
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