关于自然界风的形成，教科书上讲的炉灶生火模拟实验存在不足之处。我利用废旧材料制作了演示仪（附图所示），既可作学生分组实验，又可放在投影仪载物台上作演示实验。1．制作方法取四条相同的长方形透明玻璃茶，粘成一个长方体作通风道。取一个麦乳精罐，去掉底板，在靠底边 On the formation of the wind in the natural world, the textbook on stove fire simulation experiments there are deficiencies. I made use of waste materials presentation (shown in the figure), both for student group experiments, but also on the projector stage for demonstration experiments. 1. Production Methods Take the same four rectangular transparent glass tea, sticking into a rectangular parallelepiped for ventilation. Take a canola tank, remove the floor, at the bottom