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Setting position, foam type (referring to low, medium, high, anti-dissolution, fluorine protein, etc.), system form (referring to liquid, liquid, fixed, semi-fixed, etc.), foam fire extinguishing system diagram.江大伟﹝刘德华﹞大学毕业后立志投身警界，为社会除暴安良，维持治安。伟考入帮办学堂，在刘Sir﹝秦沛﹞的严格训练下，取得优异成绩。鉴于贩毒活动日益猖獗，刘Sir遂委派伟做卧底。伟遂混入夜总会工作，更为贩毒头子陆一帆﹝刘兆铭﹞的得力助手卖命，实虚与委蛇，以便搜集帆的贩毒证据。    心理学家钟泰然（马国明饰）自女友车祸死亡，伤痛之余令他花了五年时间追寻事件的真相，因女友生前曾为一宗校园凶杀案的杀人犯卢健强（韦家雄饰）作过心理评核，分析显示健强缺乏杀人动机及暴力倾向，在追查过程认识了一位患上阿斯伯格综合症的天才童日（杨明饰）和与他相依为命的妹妹童月（蔡思贝饰），童日缺乏社交能力，为妹妹带来不少麻烦，多年前更连累警察胡天扬（敖嘉年饰）的卧底任务中途失败，如今因泰然的关系，大家渐渐成为好朋友，更帮助泰然一同追寻真凶，然而，一位多年联络不上的案中人汪海澄（王君馨饰）竟自动现身，更到狱中探望健强，令案情出现戏剧性的突变……
I nodded at this passage, Understand that what Zhang Xiaobo said is indeed reasonable, It is not a lie, Here I think it is necessary to give you one thing about popular science. So we have to say something digressive: The result of a real bullet hitting a petrol tank is not the same as that shown in most movies. One shot can explode the petrol tank, But this is not the case, Although a pure metal projectile will rub against the air at a speed of hundreds of meters per second to generate equivalent heat, And will produce sparks after hitting the metal oil drum, But none of this is enough to ignite petrol, Especially for gasoline with a large total amount, to ignite gasoline, please remember one thing-open flame must be used. In addition, gasoline is a flammable item, but it is not an explosive item in the true sense. Only after reaching a certain total amount can explosion be caused. If the total amount is insufficient, it can only cause combustion without explosion.Lesson Plan of Weightlifting Theory: Technical Analysis of Snatch and Clean and Jerk4.2 The 16F shape, deformation, defect or damage affecting the function is unqualified.