Hou dian jun (5 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 202 Publisher: Coal Industry Press Pub. Date :2009-05. This book systematically describes the large angle seam mining methods. Steeply dipping coal seam mining methods are to longwall mining method. step-mining method. horizontal and oblique hierarchical stratification mining law. mining law cover bracket. filling all the mining method. mechanization. etc. Specific for each mining method. focusing on the roadway layout. mining technology and safety technical and.…

paperback. Condizione: New. Paperback. Pub Date: 2022-08 Pages: 275 Language: Chinese Publisher: Beijing Institute of Technology Press This book introduces the development history and system solutions of space solar power stations. focusing on the transmission. reception. application and environmental impact of the most important microwave wireless energy transmission technology of space solar power stations. It comprehensively summarizes Japan's research results in the field of microwave wireless energy transmission ov.…

paperback. Condizione: New. Mimeographed script in this two-person show Wang Tianbao beggar.

paperback. Condizione: Good. 15 other history II: 6: the Chuhan Chun autumn more must book Wuyue Warring States policy Dong Guan Han Kee.

Hardcover. Condizione: New. HardCover. Pub Date :2000-05 Publisher: Qi Lu Press the original box apart demolition sell.