作者: Corte Alfred
DOI:
关键词: Line (text file) 、 Elevation (ballistics) 、 Simulation 、 Sight 、 Turret 、 Acoustics 、 Engineering
摘要: This invention relates to an adjustable gunner's seat arranged for cooperation with a gun turret having relatively movable components wherein elevation of the or guns depresses maintain his eye level approximately in line sight, tilting angle...