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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).? 01 Industrial Internet in the United States王SIR（任达华）、雪玲（郑裕玲）、龙哥（梁家仁）、阿友（张学友）、达叔（吴孟达）、阿丹（甄子丹）都是反毒组的警察，他们之间关系很好象兄弟一般，在一次行动中他们并肩作战，一举摧毁了一个毒品窝点，可遗憾的是让毒犯头子跑掉了。正当他们庆祝胜利的时候，毒犯头子找到了他们并且杀死了龙哥。为了给龙哥报仇，找到毒犯头子，大家采取了各种手段，终于找到了毒犯头子，并击毙了他。在一次意外中，阿友拍到了达叔和毒犯交易的过程，他便告诉阿丹和王 SIR，王SIR知道后为了保全自己于是杀了阿丹灭口，又栽赃阿友，使他被停职，然而这一举动引起阿友的怀疑。一天，阿友的女朋友阿美（温碧霞）在家发现了这盘录像带，并知道了王SIR与达叔也是同伙，但为了救阿友她还是把录像带交给了王SIR，从而导致了杀身之祸。这时阿友与雪玲终于明白了一切，于是……　　孟云（韩庚 饰）是一个生活在北京，工作上小有成就的普通青年，在这场“别开生面”的前女友婚礼上，意外结识了出现在新郎设置的“前女友桌”中的女孩夏露（姚星彤 饰）。就这样，孟云和前女友的老公的前女友开始了一段猝不及防的爱情。该剧由12个独立的故事结构而成，每个故事都以一位进城打工的农民工为主线，描写他们的喜怒哀乐、爱恨情仇，真实展现他们背井离乡在城市生存的孤苦无奈：进城做保姆的农村妇女深陷婚姻牢笼的悲惨境遇；顶着风险辛苦帮人开黑车却被拖欠薪水的农民司机；处处想帮人解决问题却招致祸端的小区保安；进城打工妻子却遭遇性骚扰的夫妇。悲剧故事的背后，是这些城市边缘人被忽略的自尊，被轻视的命运和他们对融入城市的热切渴望。If you can play doubles, you will be prompted on the interface.You can download an official version of WeChat, then add "Benhack" attention to WeChat, and then enter the coexistence version of WeChat to download the coexistence version.