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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."A mild suggestion"二来，书院这种天下儒生士子云集的地方，他自然要格外关注。……就在启明这边为《佛本是道》的订阅、为网络文学的发展高兴不已的时候，星海的气氛却是相当凝重。该剧根据鲜橙的小说《掌中之物》改编。讲述了女主柯滢为保护自己和家人，与不法势力斗智斗勇，并联合为警方办案提供线索的外卖小哥小武，暗中搜集封氏集团犯罪证据，历经重重困难，协助警方终以正义战胜邪恶的故事。9. River Redundancy　　猎神埃里克（克里斯·海姆斯沃斯 Chris Hemsworth 饰）遇见了勇士莎拉（杰西卡·查斯坦 Jessica Chastain 饰），两人不可自持的坠入了爱河，触犯了大忌。为了能够和所爱之人双宿双飞，埃里克和莎拉决定联手推翻两位女王的暴政。这小小的反叛逐渐壮大变为了两个阵营的对抗，当得知女儿死亡的真相之后，冰雪女王弗雷迪会做出怎样的选择呢？