搜索 - 科创

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诸位把简单的问题复杂化了,多加2个水桶就能解决此问题.3个水桶ABC,A最高.C最低A为储水桶B为稳压桶C为计时桶因B桶高度一定只要A桶向B桶的补水速率，大于B桶向C桶的出水速率，B桶压强恒定，出水速率恒定

石膏混合水玻璃，就相当于将原来混合的水换成水玻璃。生石膏会迅速将水玻璃中的水结合成结晶水，所以不会产生任何气泡。你做的实验只能说明你不会这么用而不能说明不能这么用

在楼顶做一个储水，二楼又做一个储水池，顶楼流到二楼就发电，一楼用二楼储水池的水。高3M直径10cm能发电一百多瓦如果直接接水表发电，边用水边发电，发不了多少电，

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