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葫芦咬牙道：我不跟你闲扯，四成。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.(3) Position 149The following is a brief introduction to the use of yellow machines:　　董楠和董妮姐妹俩与母亲朱惠荣父亲董凡良原本是快乐幸福的四口之家，可是就在董楠和董妮高三时，一件发生在董凡良所在大学的事件而使朱惠荣对董凡良对于婚姻的忠诚产生了误解，而此时同时发生在家中的其他事件也使他们的家庭陷入紧张的气氛中。甚至还要睡了两个魏王最宠爱的妃子，要是魏豹地下有知，不知道会是怎样的心情？刘邦本人对此一点也不在乎，反而心中更加有种成就感和征服的。