Edité par Jilin Science and Technology Press, 2020
ISBN 10 : 7557872479 ISBN 13 : 9787557872472
Langue: chinois
Vendeur : liu xing, Nanjing, JS, Chine
EUR 74,52
Quantité disponible : 3 disponible(s)
Ajouter au panierpaperback. Etat : New. Paperback. Pub Date: 2020-07-01 Pages: 161 Language: Chinese Publisher: Jilin Science and Technology Press Most of my countrys water conservancy projects were built in the 1960s and 1970s. At that time. the level of technological development was quite limited and funds were in short supply. Restricted the improvement of water conservancy construction level. With the rapid development of the economy. the requirements for water conservancy projects are also increasing day by day. and some exist.