Ma zeng jun deng (2 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 1999-3-1 Pages: 188 partridge breeding is an emerging special poultry farming. with good prospects for development. The book is divided into 10 parts. more detailed description of the development of the aquaculture industry partridge. partridge economic value. biological characteristics. partridge house design and planning. reproductive and feeding and management techniques as well as disease prevention and other content. informative specific. advanced te. …

paperback. Condizione: New. Paperback. Pub Date: 2018-10 Pages: 360 Language: Chinese Publisher: Chemical Industry Press ASME RTP-1-2013 Reinforced Thermosetting Plastics Corrosion Resistant Equipment is one of the ASME 2013 version of the non-metallic pressure vessel series standards: ASME RTP-1-2013 Reinforced Thermosetting Plastics Corrosion Resistant Equipment is a very important non-metallic container standard. The main contents of this standard include: general principles. materials. design. manufacturing. overpre.…