liu guo sheng shu wang (4 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2023-08 Pages: 271 Language: Chinese Publisher: Chemical Industry Press Based on the basic unit of 3D printing physical layered three-dimensional structure. this book divides 3D printing technology into four types: zero-dimensional light spot. zero-dimensional powder point. one-dimensional line and two-dimensional surface. On the basis of sorting out the development history of 3D printing technology and related policies. this book introduces in detail the physical model c.

Hardcover. Condizione: New. Language:Chinese.HardCover.Pub Date:2024-05 Pages:456 Publisher:China Electric Power Press This book comprehensively analyzes typical defect failure cases that occurred in the operation and maintenance stage of the converter transformers in the converter stations of the State Grid Corporation of China over the years. and elaborates on the operating conditions before the failure. the process of occurrence. on-site internal inspection or dismantling in the factory. cause analysis. and improveme.

paperback. Condizione: Good. The fine translation soup song - TCM classic verses required reading.

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 319 Publisher: Jinan Publishing House Liu Guoguang's Several Issues of China Socialist Political Economics mainly answered the class. scientific principles of socialist political economics And the theoretical issues in the study of socialist market economy and basic economic system. and teaching and research on political economics .