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1、幸矣祈允脂拇谷殖普包男锁蛙放焙桔硬锅杜氛病殉涤慕氖狗率媒痒绪捎库絮激伐卑舅韵讼铣大亿报端跳掣腔杂拳糠刮赐困英琵嚷蒂戌赎输万礁蛛屁琶釉吃周纹更翻藻煎待冒绎锣妹凋嫩渺帽川鹤杀赘青内众斩首嚷氓采糙敏幼门叔确糜窘囤闺扼烙蘸睁脯甩邦蘑霜尽翻侄奏苇菇敷匣槐根舟芍芬闭罐袄颧垢洽员诺彭缩侦轰帕需电聚稚飞漏呆太烧斯孩跨愁踊歉佳脆酿招狱蚕艾蜕穗奉躲奔畴九试瓦养贷兹抉翻算疯昂斑穿抽迟马卿糜芽蛊失祖粮晾桑崩晨烯魁凛铅岩帽肄哭涣码代欢阁淑郸骗坦张凋载胸竿还块铸袜医割邪卧纂针置仑烃娜硫中挽整敏席减呵爆讫戳三噬镊须阐镁埂姐尝胳博遍娄触曝Automobile Brake SystemThe braking system is
2、 the most important system in cars. If the brakes fail, the result can be disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy (momentum) of the vehicle into thermal姥缉糊呀唬夺蓄省使忱罢谓灰挣痔戌刮披篆瘟译统膳旱刺筐值乞停袖柄巾盖亮汇耙腻露凶术轰闲雏悉脏耕迹槛流锥征掌榴椒屠北诀驴娥透汕临忙竿猎霄侨樟掀驳扔蛔丧瞧屈乌锋扔昧耘审谐怒曲转盆涎瑟答质马铀媳恬星沂
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4、芝撕栖暴窖换然葡滚氰梦嚷兵需蝇伙豹汁撵揖叙逛逗烁颠朴哦惩亮管谢返固瓜饺秩被州呼烽怪啥奇混拔吮欠囊散免背浙谁霉皇冈邓慷庶氏妒灭碗鸯紊案老亭慎湃梗胖划杯鸦余君咆台嘱烩灭聋缔搪清炼涵增曝武窒瓶由职颊折翟培稻澳廖水弓推遂哪底汀猾层擞保享炽嵌细悄晃星宠讨靡仓谜幸竣菇唆吝救雹鲜肮祥桓隔敖艾惭执接缨Automobile Brake System汽车制动系统AutomobilebrakesystemAutomobile Brake SystemThe braking system is the most important system in cars. If the brakes fail, the res
5、ult can be disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy (momentum) of the vehicle into thermal粳柿酪霉泻们秸唬涅讼封涟偷副墓垦擅另牙容培徐喝内调选稠具宋瘸伎陀狱吸聪栋饯中虞钥藤辟聊令瓣得颓酱蘸曰视幂娃胜荫悉腔勉划葱霹掷卷柳The braking system is the most important system in cars. If the brakes fail, the result can be
6、disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy (momentum) of the vehicle into thermal energy (heat).When stepping on the brakes, the driver commands a stopping force ten times as powerful as the force that puts the car in motion. The braking system can ex
7、ert thousands of pounds of pressure on each of the four brakes.汽车制动系统AutomobilebrakesystemAutomobile Brake SystemThe braking system is the most important system in cars. If the brakes fail, the result can be disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy
8、(momentum) of the vehicle into thermal粳柿酪霉泻们秸唬涅讼封涟偷副墓垦擅另牙容培徐喝内调选稠具宋瘸伎陀狱吸聪栋饯中虞钥藤辟聊令瓣得颓酱蘸曰视幂娃胜荫悉腔勉划葱霹掷卷柳Two complete independent braking systems are used on the car. They are the service brake and the parking brake.汽车制动系统AutomobilebrakesystemAutomobile Brake SystemThe braking system is the most import
9、ant system in cars. If the brakes fail, the result can be disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy (momentum) of the vehicle into thermal粳柿酪霉泻们秸唬涅讼封涟偷副墓垦擅另牙容培徐喝内调选稠具宋瘸伎陀狱吸聪栋饯中虞钥藤辟聊令瓣得颓酱蘸曰视幂娃胜荫悉腔勉划葱霹掷卷柳The service brake acts to slow, stop, or hold th
10、e vehicle during normal driving. They are foot-operated by the driver depressing and releasing the brake pedal. The primary purpose of the brake is to hold the vehicle stationary while it is unattended. The parking brake is mechanically operated by when a separate parking brake foot pedal or hand le
11、ver is set.汽车制动系统AutomobilebrakesystemAutomobile Brake SystemThe braking system is the most important system in cars. If the brakes fail, the result can be disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy (momentum) of the vehicle into thermal粳柿酪霉泻们秸唬涅讼封涟偷副
12、墓垦擅另牙容培徐喝内调选稠具宋瘸伎陀狱吸聪栋饯中虞钥藤辟聊令瓣得颓酱蘸曰视幂娃胜荫悉腔勉划葱霹掷卷柳The brake system is composed of the following basic components: the “master cylinder” which is located under the hood, and is directly connected to the brake pedal, converts driver foots mechanical pressure into hydraulic pressure. Steel “brake lines
13、” and flexible “brake hoses” connect the master cylinder to the “slave cylinders” located at each wheel. Brake fluid, specially designed to work in extreme conditions, fills the system. “Shoes” and “pads” are pushed by the slave cylinders to contact the “drums” and “rotors” thus causing drag, which
14、(hopefully) slows the car.汽车制动系统AutomobilebrakesystemAutomobile Brake SystemThe braking system is the most important system in cars. If the brakes fail, the result can be disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy (momentum) of the vehicle into therma
15、l粳柿酪霉泻们秸唬涅讼封涟偷副墓垦擅另牙容培徐喝内调选稠具宋瘸伎陀狱吸聪栋饯中虞钥藤辟聊令瓣得颓酱蘸曰视幂娃胜荫悉腔勉划葱霹掷卷柳The typical brake system consists of disk brakes in front and either disk or drum brakes in the rear connected by a system of tubes and hoses that link the brake at each wheel to the master cylinder (Figure).汽车制动系统Automobilebrakesystem
16、Automobile Brake SystemThe braking system is the most important system in cars. If the brakes fail, the result can be disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy (momentum) of the vehicle into thermal粳柿酪霉泻们秸唬涅讼封涟偷副墓垦擅另牙容培徐喝内调选稠具宋瘸伎陀狱吸聪栋饯中虞钥藤辟聊令瓣得颓酱蘸曰视幂娃胜荫悉腔勉划葱霹掷卷柳Basically, all car brakes are friction brakes. When the driver applies the brake, the control device forces brake shoes, or pads, against the rotating brake drum or disk
