Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback. Pub Date: 2018-07-01 Pages: 186 Language: Chinese Publisher: China Agricultural Science and Technology Press biogas as a low-carbon economy has become an important part of our energy. but our cold northern regions. biogas pool temperature is too low seriously restricting the household biogas development. This book from the cryogenic separation of the digester and screened various stages of . Seller Inventory # NN042039