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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).香荽听了眼睛闪亮。全新《大侠卢小鱼》讲述了一心想成为大侠的卢小鱼突遭冤屈，在平反冤屈为父母报仇的道路上，同各路奇异有趣的伙伴们破次元集结，历经重重困难，共同探寻惊人真相，合力对抗恶势力的热血爆笑故事。Interception can be done at three levels.　　床岛向众人提议，每个人都公布自己想杀的人。大家觉得只是个游戏，并未多想，就在多余的投票纸上写下了那个人的名字，随后还抽了签。郑氏十分抱歉，轻声道：请夫子见谅。特战部队NH1队长唯坚是一个学习好，运动也擅长的男子汉。虽然可以做的事情有很多，但他选择了陆军士官学校。有保护孩子、老人和美人的信念。外科医生怀芳，精明能干，对于手术室教授们来说是最棒的助攻，顺利地在29岁时成为专科医生。但是，凭实力而没有背景是行不通的，三次都失败被聘用教授。但因参加一个电视台的医疗节目，意外地成为医院的名牌医生。唯坚与上士保辉休假之时遭遇激斗事件，送小偷去医院的时候，被住院医师怀芳误会，也引得保辉的前女友明玉突然出现，怀芳因此与唯坚结缘，可是由于立场不同最终不欢而散。一次意外派遣，怀芳又与唯坚相遇在战火频发的海防岛，作为医疗派遣队队长的怀芳与唯坚无数次并肩作战，感情得到了升华。可是回去后唯坚面对唯坚出生入死的工作又开始了新一轮担忧，与此同时，保辉与明玉的爱情也再次遇到了威胁。