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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.一接通，顿时听到一个清脆悦耳的女声。2016年由乔纳森·诺兰与丽莎·乔伊夫妻档联合开发的剧集，故事改编自作家迈克尔·克莱顿的同名科幻电影，围绕着一个未来主题乐园展开，乐园里有很多机器人，可以帮助人们实现自己的白日梦。然而一直运转良好的机器人中途突然出了问题，局势逐渐失去控制。1. Customer trust is stronger;作为宿敌挡在黑井津他们面前的是无名无败的变身英雄·剑神Braida！安在洪和宋昰昀确认出演KBS-2TV月火剧《三流之路》，形成了相恋六年的青春情侣。　《为你疯狂》说的是大明星雪郎为追寻少年时代的一段恋情来到上海，找到了当年不辞而别的米娜，然而旧情不再，他第一次尝到被拒绝的痛楚，就在这时他结识了对他非常痴迷的追星少女毛妹，使毛妹获得意外的惊喜。而毛妹的男友小涛得知毛妹竟留雪郎过夜，不由大动肝火。几个月后，雪郎再度来上海拍戏，因伤感而误了拍戏，这时小涛挺身而出，顶替雪郎拍跳楼一场戏，毛妹终于从梦中清醒过来，其实好男人就在身边。