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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.Raise elevator tab Shift + Down Arrow Shift + Down Arrow-后面强大的狼兵清剿老家，前方则是打了一辈子仗的俞大猷。心道：那好，我就给你加上一把火，看你章邯还有多少资本和我讨价还价。其实尹旭是返回后宫探望几位夫人，李玉娘和嬴子夜产期将近，临盆在即，尹旭自然格外在意……(未完待续。说完又笑，红椒说我把娘家的东西往婆家搬呢。