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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.讲述了一段90后富二代混进校园当老师，并与00后的鬼马学生们展开了一系列师生大PK的校园喜剧故事。　　但这群少年也有着自己的善恶标准和属于彼此的忠诚与友情。反派代表：安藤崇（洼冢洋介 饰）作为G Boys的首领，赋予自己保卫池袋公园安全的任务，阻挡其它新兴帮派的介入，若有风吹草动，便全员集合，不打个你死我活绝不罢休。正派代表：真岛诚（长濑智也 饰）虽然终日闲晃在心爱的池袋公园，但觉得没有加入帮派也能够保卫家人，友人被杀害是他开始动脑找凶手的契机，缜密的推理智慧让他顿时变成警方跟黑道人物的诸葛亮，重情义的他常常为朋友两肋插刀。于是，三人才下来一会工夫，只得又上去。去准备吧，我算过风向洋流了，二十天后出发，可以顺利横跨大洋，至于返程时间，要你自己摸索了。“青春的选择2013年度盛典”，旨在为年轻人打造奇幻的青春之旅。本次盛典颁发涉及音乐、影视、潮流生活三大类别，总计20多个奖项，定义了2013年度对年轻人最具影响力的“青春元素”。自10月盛典正式启动以来，受到了年轻群体的极大关注。