土木工程专业英语unit-8(2)课件

1、1. attenuate 2. hydronic3.adsorbent4. desiccant 5. parameter6.ventilating7.refrigerant Review消弱，减弱 液体循环加热(或冷却)的吸附剂干燥剂参数，参量通风制冷剂 supply outlets return inlets chilled water condenser water return airsupply and return ductwork humidity analysisPhrases送风口回风口冷冻水凝结水回风送回分管 湿度分析 So Much for This unit 8(2) P

2、artII Ventilating specifiedregulativestated destroydamageviolateruindirty contaminatedprovision:n.规定，条款make provision(preparation)for 为.做准备V. provide: provide sb with sth in natureessentiallysubstantiallybe on the boil 正在沸腾boil the pot 谋生boil up 烧开make sbs blood boil 使(某人)愤怒 blood boil 热血沸腾local ven

3、tilating disperse：V.使分散，散开 消失 散发、散布 n.dispersalwith the purpose ofbe aimed atbe designed towith the view toJokes(英语笑话） Who do you think you are? The bus was crowded, and as one more man tried to get on, the passengers wouldnt let him aboard.It is too crowded, they shouted. who do you think you are?I

4、 am the driver. he said. If I am a Manager One day in class, the teacher assigned his students to write a composition If I Am a Manager.All the students began to write except a boy. The teacher went to him and asked the reason.I am waiting for my secretary, was the boys answer. drive/ promotepropel/

5、 motivate replace/ substitute for badadversedisadvantageous Exercises（练习）I. Read the whole passage and answer the following questions. 1. What are the types of buildings which the air-conditioning system serves?2. How can the air-conditioning systems be classified based on their size, construction,

6、and operating characteristics?3. What are the components of packaged air-conditioning systems?4. How many parts does the central air-conditioning systems consist of?5. What is the air system and what is the function of it? 6. What are the components of control systems?7. What medium can serve as the

7、 working substance to condition air in air-conditioning cycle?8. How can the air-conditioning cycles be classified according to the cycle performance?9. How can the operating modes of air-conditioning cycles be classified according to the outdoor weather and indoor operating conditions?10. Which fac

8、tors should be considered when select the capacity of an equipment?Translate the following terms into English.冷水机组 压缩循环冷却器直膨式蒸发器 满液式蒸发器风管 制冷循环过热气体 过冷夜体高温制冷 中央空调系统Fill in the blanks with the information given in the text.1. Air-conditioning is a process that simultaneously conditions air; distributes

9、 it combined with the outdoor air to the conditioned space; and at the same time controls and maintains the required spaces _, _, _, _, sound level, and _within predetermined limits for the health and comfort of the occupants, for product processing, or both.2. The acronym HVAC&R stands for_, _, _,

10、and_. The combination of these processes is equivalent to the functions performed by air-conditioning.3. Based on their size, construction, and operating characteristics, air-conditioning systems can be classified as the following: _; _; _; _.4.In institutional, commercial, and residential buildings

11、, air-conditioning systems are mainly for the occupants health and comfort. They are often called_. In manufacturing buildings, air-conditioning systems are provided for product processing, or for the health and comfort of workers as well as processing, and are called_.5.Both central and space-conditioning systems consist of the following: _; _; _; _. 6.An air-conditioning process describes the change in thermodynamic properties of moist air be