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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).3. E.stopPropagation () will not trigger the upper click event as long as it is in the click event. "Source Network"他也很好奇，赵王歇此刻到底是一种什么样的心情，他对于李左车又会是怎么样的态度呢？见到李左车也在这里，赵王歇略微有些惊讶，随即又是一丝冷笑。陈启摊摊手，颇为无语的说道。本剧是继英雄一、二季后又一力作，情节环环相扣，让我们沿着上面的蛛丝马迹来寻找英雄之路，上一季末Peter在Hiro的帮助下毁掉病毒，Hiro将Adam送回过去，一切看似恢复太平... 　　然而，Niki为救Monica消失在爆炸的火光当中，Nathan也在记者会上中弹生死未卜一波未平，另一边Sylar已借Claire的血液重获新生，更加黑暗的旅程才刚刚开始... 英雄们将面临抉择，究竟是谁走向了邪恶? Level 5是个什么地方? 人们口中的恶人们又是何人?哪些人沦为了逃亡者--是恶人们四处逃窜还是曾经的英雄只能落得亡命天涯的下场...Mario RPG戚继光陪笑道：该是宣武将军庞取义。