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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.不要逞强了，我们还是兄弟。话说天下大势合久必分，分久必合。历经春秋战国数百年的征伐兼并，崛起西方的强秦终于在秦始皇嬴政的统领下横扫六国，一统江山。怎奈秦王朝不知偃旗息鼓，休养生息，反而以苛法暴政徭役天下，最终令秦王朝二世而亡。以陈涉、吴广为发端，四夷强梁揭竿而起。出生于沛的刘季在萧何、曹参、樊哙、周勃等人的拥戴下成为割据一方的小霸主。他带领兵马投靠楚国贵族之后项梁帐下，和孔武勇猛的项羽分路大战秦兵。当秦王朝土崩瓦解之际，一代豪杰项羽自立为西楚霸王，雄霸天下。不甘挫败的刘邦在张良、陈平、韩信、英布、彭越等名臣良将的辅佐下，与楚军展开最终的惨烈对决。　　绿和三岛并不知道，他们之间的羁绊还远远未曾结束……宅、怂、内心戏丰富的母胎单身女Aka留学归来后，邂逅了高冷男神陆凡并一见钟情，于是进入男神的公司，施展出一系列令人哭笑不得的撩汉招数，并冒然表白。不巧的是，Aka表白后不久，陆凡就为了事业奔赴印尼，失落的Aka决定投身工作，做回自己，不料无心插柳柳成荫，引起了公司另一位合伙人、霸道总裁吴影的注意。与高冷的陆凡不同，坚持“该出手时就出手”的吴影迅速对Aka展开攻势，走进了Aka的内心，陆凡却在此时回到公司……一方面是生活的起伏，一方面是自己摇摆不定的态度，Aka究竟会作何选择？