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1发展农村沼气具有重要的现实意义1.1发展沼气有利于改善和保护生态环境。发展农村沼气是一项生态工程,有利于改善和保护生态环境,构筑人与自然和谐。农民使用沼气,以沼气为能
1 The development of rural biogas has an important practical significance 1.1 The development of biogas is conducive to improving and protecting the ecological environment. The development of rural biogas is an ecological project, which is conducive to improving and protecting the ecological environment and building a harmony between man and nature. Biogas used by farmers to biogas as energy