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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.老人刘锦清的两儿一女均已成家，本应安享晚年，却在其70寿宴上因两儿媳的争执急火攻心而突然离世。他难辨真假的遗嘱、生前所欠债务，还有未登记的老伴儿张长兰，这一系列问题引发了三个子女及三个家庭的一系列变故。大哥刘义性格内向、沉闷老实、唯唯诺诺，一直无法拥有老大该具备的魄力和能力，弟弟刘帆则文质彬彬、脾气温和、有点懦弱，为妻子失去了自我。面对事业、家庭、婚姻的变故，善良、足智多谋而又不失泼辣的刘芸被推上了舞台，由被动变主动，承担起了对于刘家的责任，在愈演愈烈的家庭“战争”中化解不断涌现出的纷繁棘手的矛盾，掀开了生活的新篇章。由Ken和Toey主演,成熟帅气的咖啡园主和可爱迷糊的百变侦探的恋情~赵敏的粉丝骂周芷若是绿茶婊心机婊性格歹毒。东北流地，张家一家人已经离开黑莽原，在去京城的路上了。本在湖中游览的一艘游船恰好靠了过来，在范青的随侍下，范依兰踏过链接的木板，登上游船。