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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).Private String driverClassName = "com.mysql.jdbc.Driver";阮清恬到底还是遭不明身份的人绑架，任浩铭为了阮清恬的安全，开始全天候“监视”阮清恬，而脾气倔强的阮清恬无法忍受这一切，频频与任浩铭发生冲突……然而就在这些冲突中，两人的心越走越近……可是从国外归来的任浩铭姐姐任青青误会了阮清恬的身份，百般阻挠任浩铭与阮清恬恋爱。任浩铭对阮清恬不离不弃，两人好容易冲破了任青青的阻碍，此时任浩铭的旧识曼宁又出现……可是曼宁早已离世，这个曼宁的出现难道是有人故意策划的阴谋？又是谁策划的阴谋呢？黄豆和黄瓜对视一眼，都暗自嘀咕：这么多还少？比郑家来带的还多哩。锦州战役中，解放军军官马龙在战场上营救了一个年轻的女大学生莫莉，但他不知道，莫莉的未婚夫林午阳，其实就是自己要一心寻找复仇的国民党“恶魔中校”。莫莉留在了解放后的沈阳，终于等到林午阳的出现，不料他仍然偏执地相信国民党军队会打回来，一次次利用莫莉的爱情，给自己做掩护。马龙的热情真挚和林午阳的冷酷阴鸷形成强烈的对比，莫莉苦苦挣扎在理智与情感之间，一方面与林午阳的多年情感无法割舍，另一方面又无法抗拒地被新中国和马龙朝气蓬勃的精神所感染和吸引。在组织和马龙的关怀和感染下，莫莉终于看清了林午阳的反动残余本质，关键时刻弃暗投明，协助马龙一同粉碎了林午阳的狂妄计划，同时也完成了对自身的救赎，坦然面对马龙的爱情。她牢牢抱住他的腰，手却伸到他背后，一把抠住他脑后头发，揪紧了，死命往下扯。风流潇洒却性格桀骜不驯的孟良自幼在劈挂门炼就一身好功夫，但连续两年高考不中，其姐陵园冬恐慌其不学无术，遂找来昔日情人文武来辅导孟良。死敌，并各下战书约定在日后举办的全省跆拳道大赛上决一死战，为赢得比赛，孟良一改往日习性，拼命练习各种格斗技能，并多次利用与犯罪团伙交锋之时验证身手，最终在全省跆拳道大赛上利用骄兵必贩的心理将唐仁击溃。唐仁此后痛定思痛，认识到自身不足而奋起修炼，身手更加凌厉强悍，誓雪一败之耻。不久，在文武筹办的全国功夫之王擂台大赛上，孟良、唐仁再次对决，在遭遇前所未有的强劲对手之后，突然悟出武学真谛，熊熊战火中为人们奉上一场激情迸发的拳脚大战……