Quote Mode 现在有了冷藏保温车，但是古人是怎么冷藏食物的
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古人利用天然冰窖、深井地窖和井水浸泡等方式冷藏食物。冬季采集冰块储存在地下冰窖中，用稻草、锯末等隔热材料包裹，可保存至夏季。地窖利用地下恒温特性，存储蔬菜、水果等。盐腌、糖渍、风干等传统方法也是古人延长食物保存期的重要手段，这些方法至今仍在部分地区沿用，体现了古人的智慧。
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现在有了冷藏保温车，但是古人是怎么冷藏食物的
发货地：东阳市
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