Cao ke yang wei (4 risultati)

paperback. Condizione: New. Paperback.Pub Date:2022-11 Pages:149 Language:Chinese Publisher:Jilin Science and Technology Press This book continuously accumulates and summarizes the experience of operation organization. explores the laws and turns them into theories. and then applies the results to practice. It mainly introduces railway driving safety management. high-speed railway transportation organization. conventional railway transportation organization. freight transportation organization. train operation plan and .…

paperback. Condizione: New. Paperback. Pub Date: 2017-09-01 Pages: 351 Language: Chinese Publisher: hunan education press the eyewitnesses said the atomic bomb cradle of the oral history of science in China during the 20th century focused on the working process of the atomic bomb tests. starting from escort the bomb components. to the atomic bomb on assembly. towers. heat preservation. cap until detonated successfully with a series of.…

paperback. Condizione: New. Paperback. Pub Date: 2021-08-01 Pages: 761 Language: Chinese Publisher: Petroleum Industry Press This book combines the actual oil and gas fields and mines. systematically discusses the basic principles and methods of practical oil and gas reservoir engineering. and introduces the petrophysical properties of the reservoir . Fluid flow in porous media. flow dynamics of oil and gas wells. cone (ridge) entry and water invasion of gas and water. oil production mechanism and material balance equat.…

Hardcover. Condizione: New. Language:Chinese.HardCover.Pub Date:2021-04-01 Pages:30 Publisher:Taihai Publishing House Among all sciences. mechanical science is the most noble and most valuable.-Da Vinci's book adopts 5 three-dimensional mechanical models . Supplemented by detailed annotations and reduction sketches. introduced us to various mechanical inventions by the great European Renaissance inventor Leonardo da Vinci.?Before humans invented cars. his mechanical car was the first mechanical car with automatic device.…