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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.冒险达人埃德·斯塔福德这次选择和妻子萝拉、2岁的儿子蓝恩一起冒险，他们将在印度尼西亚的一个荒岛上共度一个月，以寻求更健康的家庭生活。贵，指这里是重臣和地方官员的踏脚石。1, No reading, study habits郑氏一笑，道：多谢胡少爷体谅。周菡吓了一跳，问道：干嘛？秦淼道：扎针。