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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).Hallmark宣布续订《好女巫》第三季。As a cinerary road fanatic, Xiao Bian's love for Nagoya subway is quite deep. Therefore, please come boldly and safely. Nagoya welcomes you wholeheartedly with all the subways.　　一天，一个自称相泽的人来到上田次郎面前，据他说，一位名叫芝川玄奖的人具有将话语变成事实的超能力，为了破解这个圈套，上田再次使用诡计将奈绪子骗到村子。而事件的背后，似乎1. China Civil Aviation Aircrew Boarding Pass香云正叫小二算账，闻言不高兴地说道：谁要你赔医药费？你打坏了他，我们没人赶车了，怎么回家？赵锋听了后说这样啊，想了想道：我们送你们回去好了。