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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.咸丰十一年帝崩，传位于年仅六岁之小皇子载淳。帝崩前授命肃顺、载坦等八人为顾命大臣，于是慈禧遂与恭亲王奕密谋诛肃顺，定为“辛酉政变”。之后，慈禧与慈安两宫垂帘，并由恭亲王奕诉为议政王，把持政务的六岁小皇子储立为帝，改为同治年号。同治登位年仅六岁，一切政务皆由生母慈禧太后和恭亲王主持。慈禧本是一位极有野心之妇人，两宫垂帘后，便以太后身份，在政事上每加意见，干预朝政，恭亲王早就看出其政治野心和权力欲望，故在处理政事时明争暗斗，冲突遂起。同治因慈禧专注于政事上，加上慈禧之专横，在缺乏生母关怀下，同治更加亲近宅心仁厚的慈安太后，因此慈禧与同治之间的母子感情便日渐疏离。同治十七岁时，虽然名义上还政于他，但大权落在慈禧与恭亲王手中，亦因为他自小过着骄纵生活，故他亲政以后无甚表现，俨如一傀儡皇帝。同治为免处处受慈禧箝制，故建议重修圆明园讨好慈禧，但此事为恭亲王所阻，他以国库空虚为由，责说不可修园，令同治大为反感，罢去恭亲王及一干大臣之职，慈禧对修园之事虽有所喜，但因修园而罢恭亲王亦感同治过份，故慈禧重新他无法向他们说明具体的任务。葫芦这才收回目光，转身大步前行，只是，耳边亲人的叮咛声似乎变得有些飘忽。24年前，武林盟主杨常风神秘被杀，成为武林一大悬案。24年后，号称杨常风惟一遗孤的傅红雪突然崛起江湖展开复仇。杨常风庶出之子、从小与傅红雪换了身份的叶开，使计让周婷去赢得傅红雪的感情，却不料周婷真的爱上了傅红雪。为助心上人燕南飞夺取武林盟主大位，“云天之巅”四使之一的明月心设法除去傅红雪却也对他渐生感情。傅红雪在复仇之路上遭遇种种危机和磨难，经受了善与恶、爱与恨、忠诚与背叛的重重考验，在叶开、周婷和明月心等人的帮助下，揭露并粉碎了燕南飞、向应天、公子羽、杨夫人等人的重重阴谋，揭开了杨常风被害和自己的身世之迷，唤醒了潜藏在心中的爱，刀光剑影的武林复归平静。