某种植玉米的农场,其收获的玉米籽粒既作为鸡的饲料,也作为人的粮食,玉米的秸秆则加工成饲料喂牛,生产的牛和鸡供人食用.人.牛.鸡的粪便经过沼气池发酵产生的沼气作为能源,沼渣.沼液作
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 07:08:52
![某种植玉米的农场,其收获的玉米籽粒既作为鸡的饲料,也作为人的粮食,玉米的秸秆则加工成饲料喂牛,生产的牛和鸡供人食用.人.牛.鸡的粪便经过沼气池发酵产生的沼气作为能源,沼渣.沼液作](/uploads/image/z/3477843-27-3.jpg?t=%E6%9F%90%E7%A7%8D%E6%A4%8D%E7%8E%89%E7%B1%B3%E7%9A%84%E5%86%9C%E5%9C%BA%2C%E5%85%B6%E6%94%B6%E8%8E%B7%E7%9A%84%E7%8E%89%E7%B1%B3%E7%B1%BD%E7%B2%92%E6%97%A2%E4%BD%9C%E4%B8%BA%E9%B8%A1%E7%9A%84%E9%A5%B2%E6%96%99%2C%E4%B9%9F%E4%BD%9C%E4%B8%BA%E4%BA%BA%E7%9A%84%E7%B2%AE%E9%A3%9F%2C%E7%8E%89%E7%B1%B3%E7%9A%84%E7%A7%B8%E7%A7%86%E5%88%99%E5%8A%A0%E5%B7%A5%E6%88%90%E9%A5%B2%E6%96%99%E5%96%82%E7%89%9B%2C%E7%94%9F%E4%BA%A7%E7%9A%84%E7%89%9B%E5%92%8C%E9%B8%A1%E4%BE%9B%E4%BA%BA%E9%A3%9F%E7%94%A8.%E4%BA%BA.%E7%89%9B.%E9%B8%A1%E7%9A%84%E7%B2%AA%E4%BE%BF%E7%BB%8F%E8%BF%87%E6%B2%BC%E6%B0%94%E6%B1%A0%E5%8F%91%E9%85%B5%E4%BA%A7%E7%94%9F%E7%9A%84%E6%B2%BC%E6%B0%94%E4%BD%9C%E4%B8%BA%E8%83%BD%E6%BA%90%2C%E6%B2%BC%E6%B8%A3.%E6%B2%BC%E6%B6%B2%E4%BD%9C)
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