为深入学习习近平新时代中国特色社会主义思想和党的十九大精神,贯彻全国教育大会精神,充分发挥中小学图书室育人功能Shunde Double-layer Milk Custard为深入学习习近平新时代中国特色社会主义思想和党的十九大精神,贯彻全国教育大会精神,充分发挥中小学图书室育人功能The generator of Double-layer Milk Custard Dong Jie wen and her father live by cow-keeping in Shunde. However, without refrigerator ,at that time it is hard to keep the milk fresh. One day, when Dong try to boil the milk to keep it fresh, she unexpectedly finds that there are milk skin on the surface of milk. 为深入学习习近平新时代中国特色社会主义思想和党的十九大精神,贯彻全国教育大会精神,充分发挥中小
