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"This' knowledge 'is out of ammunition, Before, we used ordinary bullets to hit these big wasps. So the killing efficiency is not high, After hitting them with '74 jets', We found that they were very afraid of fire. So he took out all the tracer armour-piercing bombs that were pressed at the bottom of the box. These bullets have three more functions than ordinary bullets: luminous, armor piercing and burning. This kind of bullet is mainly to use the tracer function to provide target indication for friendly fire. It works best at night, Then there is the use of this kind of ammunition to collect fire and shoot at the ammunition and fuel accumulation areas of the Vietnamese army. Because they can wear armour, So it can break through some relatively hard shells, Like car doors, Oil drum skins and so on, Then blow off inflammable and explosive substances such as ammunition and gasoline, In order to destroy the enemy's military materials, Because the above assumption was that the Vietnamese army might fight with our army in positional warfare, It is the kind of positional warfare in which the two sides fight each other. That's why so many of these munitions are being distributed, But this is not the case, The Vietnamese army did not have the patience to build positions to fight our army. But directly launched the attack, The envisioned positional warfare turned into defensive warfare, That's it, In the battle before position 149, there was basically no place where the three functions I mentioned above could be used. In this way, those traced armour-piercing firebombs are basically useless. In order not to let them get in the way, they were piled up at the bottom of all the ammunition. At that time, they were taken out at the right time. We used the battle gap to replace all the ordinary bullets with traced armour-piercing firebombs to hit the second batch of big wasps. The effect was not good.徐文长镇定点头：三天，破一国，古往今来，唯有成吉思汗。Altitude phobia can endanger flight safety. After suffering from high-altitude phobia during the flight, the pilots felt that their flying space was infinite and vast. They and the plane were far away from the earth and flying in an infinite space. They were very small. They had a premonition that this high-altitude space was the only factor of human-computer insecurity, and only they could leave this environment quickly. Those who have experienced a high degree of fear in childhood are prone to this disease.　　高飞和哥哥高群（王耀庆 饰）同时爱上了善良美丽的和其美，一场意外之中，高群在车祸中不幸丧生，他的死让高飞和和其美的感情背负上了沉重的枷锁，两人徘徊着犹豫着，不知该做出怎样的选择。与此同时，高家二儿子高捷（唐治平 饰）爱上了心高气傲的王天丽（唐治平 饰），可王天丽喜欢的却是桀骜不驯自由奔放的高飞，三人陷入了一段剪不断理还乱的三角恋情之中。(a) legal person status, registered capital of more than 2 million yuan, site construction area of more than 100 square meters;着什么急？季木霖皱眉看他，你同事？嗯，徐风揉了揉肩膀，说，我下去一趟。