Isbn: 9787568913034 - 标准化规模养猪技术 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2019-05-01 Pages: 103 Language: Chinese Publisher: Chongqing University Press standardized scale pig farming technology is the animal husbandry and veterinary specialty core curriculum. is a close combination of theory and practice courses. Standardized scale pig farming technology in the content layout. content farms to standardize the main line. . …