Unverified80% confidenceCautionTime unknown

公司只有微波炉、无冰箱且不能立即加热时，不建议依赖普通塑料密封盒装隔夜带汤菜，常温存放4小时以上有食安风险，应选真空保温款或就近冷藏

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Unverified户外/工地/无微波炉场景不建议买PP塑料饭盒，早上装的热饭到中午已凉透，应选真空不锈钢焖烧型（保温≥6小时且能焖熟食材）82% similar Unverified可微波加热和保温性能是矛盾的：能进微波炉的饭盒多为食品级PP塑料单层结构，几乎无保温；不锈钢真空保温款绝对不能进微波炉。二选一按'单位有无微波炉'决定77% similar

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