Isbn: 9787517092896 - 农村供水安全保障指南 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2020-12-01 Pages: 53 Language: Chinese Publisher: China Water Conservancy and Hydropower Press Guide to Rural Water Supply Safety Guarantee is a popular science book on rural water supply safety.?The book is divided into nine topics and 50 questions. including: attention to the safety of rural water supply. development of rural water supply. basic knowledge of rural water supply. evaluation indicators of rural water supply safety. hidden dangers of rural water supply. rur. …