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舰炮约出现于14世纪。初期为古老的火铳,其结构和陆炮基本相同,都是用青铜或铁铸成的滑膛炮。炮管放置在带轮的框架上,后坐时用绳限制,用楔形木调整射角。弹丸为球形石弹和铸铁弹,从炮口装填.用黑火药发射。舰炮靠目力估计或用照门和准星直接瞄准目标进行射击。有的舰炮装在舰首和舰尾平台,多数舰炮配置在多层甲板的两舷.称舷炮。当时大型战舰装备的舷炮多达100余门.舷炮战成为海战的主要手段,使接舷战和撞击战降
Ship gun appeared in the 14th century. The beginning of the ancient fire 铳, and its structure is basically the same as land-based, are cast with bronze or iron smoothbore gun. The barrel was placed on a wheeled frame and restrained by a rope when it was seated, and the angle of incidence was adjusted with wedge-shaped wood. Projectile is a spherical stone and cast iron bombs, loaded from the muzzle, fired with black powder. Naval guns rely on eye sight estimates or use sight and sight to aim directly at the target. Some of the warships were mounted on the bow and aft platforms, and most of the warships were deployed on both sides of a multi-deck deck. At that time, large battleships equipped with up to more than 100 sideboard guns, which became the main means of naval warfare, making the sidewalks and strikes down