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In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: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).　　与此同时，素来与Joanna不和的妹妹Wendy（《阿U》动画片的主人公阿U是个邻家小孩，他聪明机灵，调皮捣蛋，有着层出不穷的鬼点子，无数搞笑的趣事，带来笑声不断……围绕着活泼可爱的5岁小男孩顾得白一家发生的琐事。顾得白,今年5岁,就读于朝阳幼儿园,向日葵中班。是一个典型的“熊孩子”！主人公对“理想的女性”的犹豫和矛盾。并不是“恋爱关系”，而是“恋爱感情”本身的痛苦和悲伤的故事有很多。