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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.How can we jump out of the poor's thinking caused by scarcity?Visitor Mode:电视连续剧《春露》讲述的是在中国新民主主义革命时期和新中国成立后的岁月中，我党杰出领导人王稼祥的坎坷经历。15位同学在剧中饰演的是满腔热血、具有强烈爱国主义精神的大学生，在中国新民主主义革命时期，他们追求真理，不畏艰险。他们心中充满了希望与渴望……Variable Value: Absolute path to JDK installation on the computerAdd a method called set_number_served (), which allows you to set the number of people to eat. Call this method and pass a value to it, then print the value again.月色下，杨长帆脸上刚硬的线条没什么波动，吴凌珑很确定，他长大了。