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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).杨长帆冷笑一声，管他如何家财万贯，背有靠山，今夜过去，烧了他家，绑了他人。不谈遥远的美洲，即便是眼前苔湾岛，若能有足够的农奴也可以极大加快开发速度。自从父母去世后，Pangrum失去了她所有的财产。她的叔叔和阿姨抚养她长大，但当他们无力继续抚养她时，他们把她送去和英俊富有的Yai住一起，让Yai当她的监护人。Yai给了她叔叔阿姨一大笔钱，承诺他会照顾好Pangrum。于是人们开始讨论，使Pangrum看起来像Yai金色牢笼里的一只金丝雀。这让Yai的姑姑Ganda很不高兴，她害怕Pangrum会夺走他们所有的财产，于是她计划让撮合Sajee和她的侄子。但Yai喜欢的是Pangrum，但问题是，他是Pangrum的监护人，Pangrum的年纪和他妹妹Ying一般大，这看上去有悖常理。还有一个问题，他那以自我为中心的弟弟Lek也一直喜欢Pangrum。 　　自从父母去世，Yai接管了家族企业，并让他的左膀右臂Thanope来帮他管理公司。这让Lek很不高兴，他认为Yai不信任他这个弟弟。王公世铎对玝爷恨之入骨：其子闹市奔马，拖死行人；奕玝出头，导致其子死在狱中。//baidu written examination地下世界第一季……