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吃火锅为什么用瓷勺不用铝勺

更新时间: 2020-11-04 00:00:00     

吃火锅用瓷勺不用铝勺是因为铝勺的导热系数比瓷勺大,铝勺的柄会比瓷勺柄烫。铝,银白色轻金属,有延展性。商品常制成棒状、片状、箔状、粉状、带状和丝状。在潮湿空气中能形成一层防止金属腐蚀的氧化膜。

关键词: 火锅 为什么 瓷勺 不用

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