檢視饭盒的原始碼

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中文名称；饭盒

外文名称；lunch box

作用；盛装饭菜

中文拼音；fàn hé

饭盒分类；塑料饭盒 保温饭盒 普通饭盒

制作材料；玻璃硅、塑料、铁质
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'''饭盒'''是一种专门用来装饭菜的盒子，也称便当盒，大多用铝、不锈钢、[[塑料]]制成。 出处：杨朔 《[[三千里江山]]》第五段：“饭盒里的饭咕嘟咕嘟响。”

饭盒包括塑料饭盒、保温饭盒、普通饭盒。

保温饭盒是在普通的饭盒外加设了保温外壳，有内外两层中充填泡沫塑料，再在内层镀以[[金属]]薄膜构成。从传导、辐射、对流三个方面减少热量的损失。又在饭盒和外壳之间加装一电加热装置，补充热量的损失，使饭菜保持在一定的较高温度。<ref>[https://www.360kuai.com/pc/9e66e04e06066dc72?cota=3&kuai_so=1&tj_url=wd&sign=360_57c3bbd1&refer_scene=so_1 饭盒的橡胶圈有黑点],【快资讯】 ,2018年1月9日</ref>