【机械工程】鱼雷发射装置，深水炸弹【机械工程】水雷启动装置，船舶吃水深度指示

launching-apparatus for mines, depth charges on ships

launching-apparatus

launching-apparatus for projecting missiles, projectiles from barrels

launching-apparatus for projecting missiles, projectiles from barrels

launching-apparatus on ships

launching-apparatus, projectiles from barrels