土木工程專業(yè)英語unit-8(2)課件

1、1. attenuate 2. hydronic3.adsorbent4. desiccant 5. parameter6.ventilating7.refrigerant Review消弱，減弱 液體循環(huán)加熱(或冷卻)的吸附劑干燥劑參數(shù)，參量通風制冷劑 supply outlets return inlets chilled water condenser water return airsupply and return ductwork humidity analysisPhrases送風口回風口冷凍水凝結(jié)水回風送回分管 濕度分析 So Much for This unit 8(2) P

2、artII Ventilating specifiedregulativestated destroydamageviolateruindirty contaminatedprovision:n.規(guī)定，條款make provision(preparation)for 為.做準備V. provide: provide sb with sth in natureessentiallysubstantiallybe on the boil 正在沸騰boil the pot 謀生boil up 燒開make sbs blood boil 使(某人)憤怒 blood boil 熱血沸騰local ven

3、tilating disperse：V.使分散，散開 消失 散發(fā)、散布 n.dispersalwith the purpose ofbe aimed atbe designed towith the view toJokes(英語笑話） 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（練習）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.冷水機組 壓縮循環(huán)冷卻器直膨式蒸發(fā)器 滿液式蒸發(fā)器風管 制冷循環(huán)過熱氣體 過冷夜體高溫制冷 中央空調(diào)系統(tǒng)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