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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).网剧《我的狐仙老婆》以年轻人的视角讲述了一个校园偶像刘奕（范世琦饰）的成长历程，该剧改编自著名网络小说《我的狐仙老婆》，并在原著的基础上做了大幅度的调整。在原来传统中国古代的“玄幻”体系中融入了大量的异能元素，让纯美的校园故事充满了奇幻色彩。我说黎水兄弟，都是一个娘生的，你怎么长得这么寒碜？瞧你大哥，多么威武雄壮。她必须尽快成长起来，帮板栗哥哥和师姐，再不能成为他们的拖累。Automatic Single Focus (AF-S): It is more suitable for shooting static objects or scenes with small motion amplitude.陈启冷哼一声，说道：这点菜哪里能难倒我。