surface hole
1Laser in Manufacturing , J. Davim Paulo
Generally a laser (light amplification by stimulated emission of radiation) is defined as“a device which uses a quantum mechanical effect, stimulated emission, to generate a coherent beam of light… 12877.82 руб электронная книга2An Introduction to Applied and Environmental Geophysics , John Reynolds M.
An Introduction to Applied and Environmental Geophysics, 2nd Edition, describes the rapidly developing field of near-surface geophysics. The book covers a range of applications including mineral… 13268.06 руб электронная книга
