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At that tail of the warhead, the drag armour-piercing firebomb is filled with a drag agent and a fireagent, Under the pressure of propellant propelling warhead, it will spontaneously ignite to produce open flame, So it can break through the oil drum and ignite or detonate the gasoline. However, the old-fashioned traced armour-piercing firebombs have obvious trajectories due to traced light when they are launched. Therefore, it is very easy to expose oneself while pointing targets to friendly forces. Therefore, the new tracer armour-piercing firebombs now equipped all start to burn and emit light only after the projectile flies out of the muzzle for a certain distance (the generally set safe distance is 100 meters, which makes it impossible for the enemy to judge the firing position with tracer ammunition, while targets within 100 meters do not need to be indicated by tracer), The principle is generally to ignite the tracer and combustion agent carried by the projectile by accumulating the heat generated by the warhead's friction with the air after flying for a certain distance to a certain extent.　　However, ...所以尹旭只知道有人可能对他不利，却不知道何时何地，会是什么人？如何动手？尹旭有所察觉，自然也就有些戒备，没了出其不意，怕是达不到预期的效果。从一个丫头手上抱过一个两三岁的小女孩——穿着绣花的大红裤子和小袄，披着大红披风，胸前戴着黄灿灿的金项圈。每一个生命的结束也有背后的原因。无论怎样隐藏、怎样毁灭证据，真相永远存在，甚至由死去的揭发。可幸警队中有一个部门，为着看不到的真相而努力，他们用尽所有方法，甚至与死亡近距离接触，让罪有应得的人得到报应。这里就是——鉴证科。再说了，他心里还有气呢，怎能就这么轻易地认大哥，那太便宜他了。一个土生土长在白洋淀的青年白泥鳅，深爱着牛寡妇的孙女柳儿，一个善良的姑娘藕却一直暗恋着白泥鳅，看到白泥鳅与柳儿的亲妮，心怀叵测的藕娘，与奸诈的老赵聘计，柳儿拿着绝情信赴寻夫，被车撞伤，引发流产，失血过多身亡。白洋淀是白泥鳅的根和梦，他回到了家乡，并与藕结婚了。事实上，在很多年前的荷花淀伏击战中，雁翎队俘虏了一个日本翻译本田，安排在白龙的恋人蝉儿家疗伤；本田渴望不义之战早日结束，对蝉儿情有独钟，并在日本鬼子包围村子时，舍身救起她，逃至硝烟弥漫的芦苇荡中发生了关系。二OO一年，已是日本田株式会社总裁的本田，携孙女美惠子来华北白洋淀投资与乞求恕罪，当他站在60年不见的牛寡妇（蝉儿）面前，面对昔日的情敌哑巴黑（白龙）时，百感交集、酸楚万分。