ISBN: 9787111564614 - 高效养泥鳅你问我答与实例精解 (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2017-06-01 Pages: $number Publisher: Machinery Industry Publishing House The book is based on the various key problems that occur frequently in the production of Loach. and the method of direct answer is put forward by using questions. This paper answers the key technical problems and operating procedures of the whole process of artificial rearing of loach. so that readers can quickly grasp the focus and main points of the cultured loach. …