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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).脾气火爆的篮球名教罗伊在在输掉一场大学联盟比赛后被迫降级，去执教一只屡战屡败的高中球队。在第一堂课上，罗伊眼看着孩子们输掉109分，而且似乎这还不是最坏的……罗伊只能从最基本的东西开始教起，过人、抢篮板球、漏球、投篮，他似乎带给这个球队很多魔力，熔炼工球队也在他的带领下越打越顺，而罗伊也在教授这些孩子的过程中体会到了篮球带给他的那种久违的快乐……钱明喜滋滋地问道：队长，不知上面什么时候帮队长换帐篷？到时候队长可要带老钱一块走。网剧《你好，旧时光》改编自作者八月长安的首部长篇小说，被誉为“写给每个人的成长之书”，网剧将延续原著以及前作网剧《最好的我们》的温柔和温暖，讲述发生在耿耿余淮隔壁班的青春故事。用温暖怀旧的清新校园故事将再次打开时光的任意门，带领观众体味最美好的青春校园时光。这该是越王尹旭考虑的问题，当然了夷陵的卢绾，甚至是远在中原的汉王刘邦或许都要为此事忧心，独独我们不需要管这些事情。尹旭确实知道一些，李斯对范家还是颇为了解的。郑老太太等人却是不理。