1969年,中苏在珍宝岛发生的战斗震惊了世界。苏军以先进的坦克横行霸道,我军的各种口径反坦克炮都无法对这种T62坦克构成威胁。在几位老帅的干预下,研制新型穿甲弹、破甲弹的任务落在了某军事研究所科研人员肩上。然而,要求穿甲弹、破甲弹击穿不同厚度的钢板,初速 In 1969, the fighting between China and the Soviet Union on Treasure Island shocked the world. Soviet advanced tanks rampant, our military of various caliber anti-tank guns are unable to pose a threat to this T62 tanks. Under the intervention of several marshals, the task of developing new type of armor-piercing bullets and armor-piercing shells fell on the shoulders of researchers at a military institute. However, armor-piercing bullets are required, and armor-piercing bullets penetrate plates of different thicknesses at a muzzle velocity