Unverified80% confidenceDecision RuleTime unknown
记忆棉护颈枕在低温环境（如飞机空调、冬季车厢）会明显变硬失去回弹，长途低温出行更适合选充气枕或乳胶枕；记忆棉在25度以上环境才能保持最佳塑形性
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80%
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Long-term
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