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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.春秋时期鲁国三桓排除异己，闵子骞父母也被迫逃亡宋国，沉疴已久的闵母在辗转逃亡中客死他乡。后来闵父续铉姚氏并为其生得两子，闵父不得志经常酗酒，闵子骞就成了家里的劳力，放牛割稻照看小弟。边关起烽火后，他也是不遗余力地为国尽力。聚焦两千年前的著名大战、德国历史重要事件——日耳曼人与罗马帝国的条顿堡森林战役，其中“那不为人知的故事”，以三个命运相互联系起来的年轻人的视角展开。小说和电视剧一起连载。Provincial Transport Wins 4 Gold Medals Revival in Sight,