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One last thing on this subject, The 7.62 mm traced armour-piercing firebombs fired by the 81-1 family, Although the name is a little long, But compared with ordinary munitions, The difference is still well understood: Tracing and burning are simple, Is to add two corresponding drugs, The armor piercing is to replace the steel core behind the bullet's brass back armor (also known as bullet head) with a harder tungsten alloy core with stronger penetration to hard targets. The latter is also the tail-stabilized shelling penetrator used on the third generation of modern main battle tanks (abbreviation: APFSDS) is one of the two main materials (the other is the notorious, highly radioactive depleted uranium penetrator core, The user country is mainly the United States, while China mainly uses tungsten alloy penetrators, Less pollution and better performance, The United States does not need to. First, the United States does not pass the standard of tungsten treatment technology. Far from the level of our country, Secondly, the United States is a tungsten-poor country. It also wants to fully use tungsten alloy bombs, But it can't be used, But as a nuclear Power, There is a lot of depleted uranium as nuclear waste, so depleted uranium is selected as a substitute. As for tungsten alloy and depleted uranium, after putting aside the key additional condition of radioactive pollution, the pure question of who is better in armour-piercing performance is not directly related to this article, so it will not be described in detail).1960年，年轻技术员常汉卿刚留学回来，与从铁道兵部队转业分配到厂里来的女战斗英雄金灿烂相遇了。他们从互相看不顺眼到相知、相爱，克服了来自家庭和外界的干扰，最终结合在了一起。婚后他们一起克服来自生活的种种困难、研究技术，花费了毕生精力共同为我国电力机车的研发、建造作出努力。岁月变迁后，他们的孩子也最终选择了机车建造这一专业，并为我国建造出了世界一流的高铁。14、红梅阁 10集 李慧娘－龚慈恩 裴禹－邱心志 卢昭容－桑妮 朝霞－贾静雯冯家大奶奶爱莲不能生育，冯老爷为了能有后代娶了姨太太小翠，可小翠心胸狭窄经常欺负爱莲，冯老爷为了改善家中风水，找来画师画了幅冯家大宅的全景图，可小翠却看见画里出现鬼影，最后被吓疯流产，新姨太太梦红又进门了，梦红温柔的外表更加的邪恶，经常陷害爱莲，可接着梦红身边怪事连连，并且也看见了画上的鬼影，最后被吓的早产也死了，没多久画师也自杀了，画师妻子潜入大宅找到事情的真相，原来一切都是外表温柔美丽的大奶奶爱莲设下的诡计。砰砰——陈启站在家门口，突然听到里面有动静好在后来有个人出面，顶住了田单的压力，救下了相里氏。在接下来的十五年里，黎璃是裴尚轩生活里唯一不变的挚友，在他失恋的时候，失意的时候，甚至是失去自由的时候；裴尚轩则是黎璃唯一不变的真爱，在她孤独的时候，欣喜的时候，甚至是生命垂危的时刻。