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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).1. The word "ship" means all kinds of water craft and rafts used or capable of being used as water transport, including non-drainage craft and rafts, WIG craft and seaplanes.The reporter asked whether the two sides talked about possible US inspections of North Korea's nuclear facilities at the summit with North Korean leader Kim Jong Un.故事发生在第一集之后的6个月之后，瑞切尔·凯勒（纳奥米·沃茨饰）在西雅图经过连番恐怖事件之后，希望逃离这段恐怖的记忆，为此她带着儿子艾丹（大卫·多夫曼饰）远迁到宁静美丽的沿海城市，俄勒冈的艾斯特里亚，希望这里的风光能慢慢医治留在两个人心里的阴影。The last such leak shocked the US National Security Agency in 2013, when Edward Snowden released confidential information about the agency's surveillance activities. But as experts pointed out, the information stolen by shadow brokers is more destructive. As the New York Times analogies, if Snowden announces an effective battle plan, the shadow broker will release his weapons on his own.1. Report Self-report Materials