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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).高中生简·希普利（JaneShipley）试图修复与儿时好友梅里特（Merritt）的分裂关系，并融入叛逆的同龄人。当Jane的数学老师越界时，冷漠的高中管理层迫使Jane和Merritt自己处理事情，使他们的关系陷入进一步的混乱，并引发致命的后果。抗日战争国共合作时期，在江东由一门三司令为核心，演绎了一场异彩纷呈的生与死，爱与恨史诗般的悲壮传奇。抗日战争时期，江东地区杨家三兄弟老大杨天东是八路军蟒山纵队司令，老二杨天伯是江东地区的国军司令，老三是江东地区国军特遣队队长，对外也号称司令。老二率部队驻守江东城，守军司令突遭暗杀，其侍卫长杨天鸿受到牵连，紧接着重庆来的特派员琳娜遭日本特遣队绑架，一系列奇怪的事件把江东搅得乌烟瘴气。在这种危局的情况下杨家三兄弟在江中地区的对日作战中经历了寻找毒气弹、袭击敌占区、救出盟军顾问、实施盾牌行动等事件。杨母始终爱护着杨家的三兄弟，为他们能为国抗击敌寇而感到骄傲，同时她也对老二的投敌感到耻辱。最后大哥牺牲，二哥投敌后被击毙，老三参加了八路军接替了大哥当上了真正的司令。Li Bingbing endorsements: 1.6 million RMB every two years Fei Xiang endorsements: 1.5 million RMB every year,可当特七问起周围哪里富裕的时候，杨长帆又瞬间耸了，一旦控制不住，这十几位单身汉的杀伤力必然是远大于彼岸倭寇的。然而噩梦就在科特逃离精神病院那刻开始了。精神错 乱的科特不仅大开杀戒，更展开了可怕的复仇杀戮。心急如焚的派特四处搜寻儿子科特，试图阻止他的疯狂行为。然而令他意想不到的是，正当派特发现线索来到丛林的时候，他居然发现了自己的女儿萨拉·贝克（阿莱娜·哈米特 Alena Dashiell 饰）正和朋友在这座森林里露营，众人旋即陷入命悬一线的险境之中。