Unverified85% confidenceFactTime unknown
带排气阀/微波透气孔的保鲜盒微波时无需揭盖，蒸汽自动排出防爆盖；没有透气设计的密封盒微波前必须打开一角，否则内部气压易顶开或炸裂
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified带蒸汽排气孔（或可掀开小盖）的设计能避免微波时内部气压顶飞盖子和汤汁溅射；全封闭无孔盖仅适合冷藏，微波时必须留缝90% similarUnverified带蒸汽阀（可开合排气口）的蒸盒比完全密封盒更适合微波，密封盒微波时内部蒸汽膨胀易顶开盖子甚至爆盖87% similarUnverified微波加热时应打开或松开盖子上的透气阀，否则密封盒内蒸汽膨胀会导致盖子变形或迸开，多数标称'可微波'的盒子指盒体而非盒盖86% similarUnverified带排气阀（微波阀）的保鲜盒可实现「不开盖微波」，加热时蒸汽从阀门排出，适合带饭上班族；无排气阀款微波时必须手动打开锁扣86% similarUnverified带阀门透气孔的微波打包盒可在加热时释放蒸汽避免爆盖，但透气孔会降低密封性不适合装汤运输，微波型和运输型建议分开选购86% similar
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