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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).势不两立海报处置完两人，他便起身打量一番周围。　　1935年，听闻父亲方玉龙的死讯，方云天告别了日本的留学生涯，回到中国上海，准备接管父亲方玉龙的拜把子兄弟高信义暂时托管的家族事业，偶遇的沈如画和方云天在互相斗气逗乐中互生好感。在沈如画的父亲沈富贵的安排下，两人成亲，高文轩大受打击。方云天旧日恋人日本女孩川岛云子随同父亲来到上海寻找方云天，当她得知方云天已经成亲，伤心欲绝。方云天跟高文轩兄弟反目，争霸上海滩。川岛云子的父亲来到中国利用女儿与方云天等展开一幕幕惊心动魄的谍战较量。最后，方云天在危难时局下带着沈如画参加了抗战。看着吕馨明艳动人、一脸笑意的脸，陈启心里想道。当男闺蜜想养娃找你借子宫，却因医院失误和那个无法忘记的前男友的现女友错换了精子，女主就.....《她的煤气灯》演员男朋友！！！ 超帅的公司代表！！！对徐汝珠来说，他们只是燃气灯的对象而已...被煤气烧焦的人又是谁？？！！