电饭锅是一类可以进行蒸、煮、炖、煨、焖等几种加工制作动的智能化炊具。它不仅能够把食物煮熟,而且能保温,用起来干净卫生,无污染,节省成本,是家务现代化不可或缺的用具之一。电热管式发热板具有较好的绝缘性能、耐蚀性、传热性和机械强度,使用寿命长和效率高,PTC元件发热器具备正温度电阻系数和自动控制系统温度的特点,高效率,没有明火。
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