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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.四个傻小子小龙、小彪，小宝还有小华，因为他们的师傅关系不和，四小子在生活中也处处争相不让，互相捉弄对方。直到遇到聪明可爱的迷糊姐姐和善良可爱的妹妹小霞。迷糊姐姐因为一系列误会而惹上了麻烦，这时候四个小子舍弃前嫌为救姐妹俩，除奸惩恶，欢乐不断笑话百出……似乎没有必要去冒这样的风险，反正楚汉之间的和谈已经开始了，那出使越国也就没有任何意义了。逼比乡村版罗密欧与朱丽叶大校工程师宋红梅到基建兵318团视察工作。她没有按照团里的安排住进宾馆，而是直奔隧道挖掘基地。在基地她与一营官兵同吃同住同劳动，在她的技术指导下，隧道提前一个多月打通。期间，她的丈夫王振华千里迢迢从北京倒船倒车赶到工地来看望宋红梅，被宋劝回。2659尼基和莱尔小组被调来调查公司攻击变性人。