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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).香荽见苞谷坐在小凳子上，睁着亮晶晶的眼睛看她们，遂俯下身子，对着他念道：葫芦闷，板栗光，嫩嫩的黄瓜脆，细细的小葱香——啊。4. Do not know that the goal is too high,Among them, Growth Insurance and Spark Thinking are remarkable in terms of financing frequency and amount. The two companies announced the completion of their respective B + rounds of financing in May and June this year respectively. Growth Insurance B rounds of financing totaled 300 million yuan and Spark Thinking B rounds of financing totaled 35 million US dollars. In addition to the relatively high financing rounds of growth insurance and spark thinking, the financing rounds of other online children's thinking ability training companies are basically Pre-A and angel rounds.　　如今《飓风营救》的制作人Luc不满足于系列电影的完结，把野心投向了电视剧改编，前传将会讲述年轻的Bryan Mills（Liam Neeson饰演电影角色）的故事。前传中的Bryan Mills尚无妻女，剧情将主要围绕Bryan Mills如何培养和成就他的特殊技能，变成一个让坏人闻风丧胆的角色。10.1.5 After treatment of urinary calculi, no residual calculi and sequelae are qualified.