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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).　　阿喜这三位新朋友在生活面前，有着个人不同问题，表面比阿喜强，其实是不同程度的失败者。阿喜的精神渐渐影响着身边的人，把他们心灵上没有爱和希望的生活，重新添上生命的色彩。郑氏、香荽和白果听了都笑起来。An NBA game lasts 48 minutes and consists of four quarters with 12 minutes each.Click "Detailed List" to enter the following figure:2001年，在国际社会巧妙地扎根，作为掌握全世界的邪恶的秘密结社dokuga，被神秘的男人sabarasu带领了的goodsunda部队挑战。这些人乘坐的移动要塞「goodsanda」神秘的能源「bimura」是动力源，能瞬间移动最大1万km的距离。但是dokuga也瞄准了「bimura」。杨长帆一行匿于林中，远远绕着大圈，眼见要跟不住，特七愈发焦急，杨长帆却依旧不下令出击，一切以隐匿为第一位，宁可耽误些时候，也不得暴露。