jiang yun wang wei dong (5 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Publisher: China Electric Power Press Pub. Date: 2010 -.

paperback. Condizione: New. Paperback Pages Number: 148 pollution-free fruit tree pest identification and Governance Series is designed to adapt to this demand. in order to promote the development of profitable agriculture. The sets of books in the name of the comparative advantages and market competitiveness of Zhejiang Province. special. excellent. new fruit. the provincial experts have extensive practical experience in the areas written in a blend of practical experience and the latest of the efficiency of agricultur.

paperback. Condizione: New. Paperback. Pub Date: 121 Language: Chinese Publisher: China Environmental Publishing Group my country lake ecological governance has long been traced back to Seventh Five-Year period. and then the three rivers and three lakes pollution problems have highlighted. lake pollution control National strategic focus. Eleventh Five-Year Plan began. the country will put the Three Gorges reservoir area. Taihu. Chaohu. Dianchi. Huang .

paperback. Condizione: New. Paperback. Pub Date: 2017-11-01 Pages: 212 Language: Chinese Publisher: China power press. grid pillar porcelain insulator and porcelain bushing of ultrasonic testing is a professional. highly technical nondestructive testing technology. to prevent and reduce pillar porcelain insulator rupture accident. improve the safe operation of power grid reliability. play a very important role.

paperback. Condizione: Good. Paperback. Pub Date :1996-05 Pages: 186 Publisher: Anhui Fine Arts Publishing House sheet: 12.5.