据说,美军在对近期发生的几场局部战争总结后,得出这样的结论:现代步兵急需一种在中近距离上集破甲、杀伤于一体的直接支援武器。而我国所处的地形特殊:北方山峦叠障、中部丛林茂盛、南方沼泽泥泞、城镇建筑密集、乡村街道纵横。这些自然因素都极大地制约着机械化部队的快速机动,就更迫切地需要提高步兵的独立作战能力。为了较好地解决我军步兵在中、近距离上火力、破甲力不足的问题,经过枪械工程技术人员多年不懈的努 It is said that after concluding the recent partial wars in the recent past, the U.S. military has come to the conclusion that modern infantry are in urgent need of a kind of direct aid weapon that combines armor and destruction in the medium and short distances. The special topography of our country lies in the overlapping of the northern mountains, the thick jungle in the middle, the muddy swamps in the south, the dense urban architecture and the vertical and horizontal streets of villages. These natural factors have greatly restricted the rapid maneuvering of mechanized units and there is an even more pressing need to increase the independent combat capability of infantry. In order to better solve the problem of the firepower and the armor shortage of our army infantry in the medium and short distances, after years of unremitting efforts by the firearms engineering and technical personnel