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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.Method: Graphic + Text Interpretation.天这么冷，哪哪都关门了，你非跟自己较什么劲？你也回家过年去，徐风不理他话茬，当当敲了两下门把，赶紧开门，别跟我这耗着了。其二，是为了借升官调他进京。In real life, there are many requests that cannot be made by one person. For example, the salary at the interview may be decided by the technical manager if it is less than 10,000, but the salary between 10,000 and 15,000 may not be approved by the technical manager and may need to be approved by the technical director.故事以两个不同性格女人的遭遇，贯串中国二十至四十年代的离乱，中间以两女的角 度，穿插了不同的人物，与不同的故事。爱奇艺甜宠奇幻喜剧#恋爱生物钟#主演：彭楚粤,王承渲