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4.8 无坐力炮原理和高低压室发射结合的发射方式 具有代表性的武器是瑞典的AT-4式84mm火箭。为了适应现代反坦克战争的需要,瑞典FFV军械公司应瑞典陆军的要求,于1976年开始研制AT-4式84mm火箭筒,主要目的是取代当时装备的“米尼曼”反坦克火箭发射器,其次是作为卡尔·古斯塔夫反坦克火箭发射器的补充。1981年2月生产了100具火箭筒及200枚空心装药破甲弹,夏季完成了人员操作发射试验。同年9月,在卡尔斯堡陆军试验场,进行了一系列实弹表演试验,持续时间达18个月。1982年研制工作结束,投入试生产。
4.8 recoilless gun principle and the combination of high and low pressure chamber launch mode The representative weapon is the Swedish AT-4 84mm rocket. In order to meet the needs of the modern anti-tank war, the Swedish FFV ordnance company at the request of the Swedish Army began to develop the AT-4 84mm rocket launcher in 1976 with the main purpose of replacing the “Minneman” antitank rocket launcher equipped at that time and secondly As a complement to Karl Gustav's anti-tank rocket launcher. In February 1981, 100 bazookas and 200 hollow charge d'affaires shells were produced. In the summer, a personnel operation launch test was completed. In September of the same year, a series of live-ammunition tests were conducted at the Karlsbad Army Field, lasting 18 months. 1982 research and development work ended, put into trial production.