教学课件·机械工程英语.ppt

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1、Chapter 1 Visiting WorkplaceWarming-upListeningSpeakingReadingWriting&TranslationObjectivesAfter studying this chapter,you are able to:master some expressions about workplace and company municate with a client about workplace and company.read relevant reading materials.translate relevant reading mat

2、erials.Warming-upTask 1 As a marketing assistant,Li Bo may experience the following situations.Match each situation with its corresponding picture.1.Meeting a client.2.Signing a contract.3.Providing necessary information for the manager.4.Briefing product.Task 2 FEIDA Mold has several departments.Ma

3、tch each department with its main responsibility.ListeningTask 1 Listen to the 5 conversations.Choose the best answer according to what you hear in each conversation.1.()A.He is the General Manager.B.He is the Secretary.C.He is the Sales Manager.D.He is the Purchasing Manager.2.()A.Turn right,and th

4、en turn left at the end of the corridor.B.Turn left,and then turn left again at the end of the corridor.C.Turn right,and then turn right again at the end of the corridor.D.Turn left,and then turn right at the end of the corridor.3.()A.In 1996 B.In 1999 C.In 2002 D.In 20054.()A.A three-year warranty

5、is offered for the lathe.B.500 yuan will be charged for the lathe repair.C.500 yuan will be charged for on-site repair.D.On-site service during the warranty will be free.5.()A.It decides to import a new assembly line this year.B.It will suffer a great economic loss this year.C.It is going to update

6、its products this year.D.Its financial situation has been improved this year.Task 2 In this section you will hear a short passage.Fill in the blanks while youre listening to the passage.Shanghai Nojiri Optical Co.,Ltd is a 1 joint venture that produces 2 eyeglasses in China.It produces 3 pairs of gl

7、asses each year.Almost all its glasses will be 4 over 100 yuan a pair,which is almost 5 as expensive as other similar quality glasses made in China.While 6 is under way,the major raw materials Shanghai Nojiri Optical Co.,Ltd needs will be 7 .According to its original design,60%of its products will b

8、e for 8 and the rest will be the home market.Shanghai Nojiris products are called“Mosta”,and this brand will be 9 by Shanghai Clock and Watch Corporation.The total 10 of the joint venture is 2.6 million dollars,among which 40%is invested by Shanghai Glasses General Factory,40%by the Japanese company

9、,and 20%by the citys Jinjiang Group.SpeakingDialogue 1A:Welcome to our factory.B:Thank you.Im glad to have the opportunity to visit your factory.Ive heard a lot about it.Your factory seems to have a good fame.A:Thank you.Our factory was built in 1998,but it gained a fame only a decade ago.B:Your fac

10、tory looks quite big.How many workers do you employ?A:Roughly about 3000.Its a comparatively big factory.B:Do you have a big staff of engineers?A:Engineers account for about two-fifths of the total employees,that is,there are about 1200 engineers.B:No wander your products gain a large market both at

11、 home and abroad.A:Yes,these engineers work out new technology and design new products at quite a good place,and this enables our factory to develop fast and make much profit.B:Im told that you mainly manufacture freezers and refrigerators.A:Youre right.70%of our products are freezers and refrigerat

12、ors,and the rest are microwave-ovens and air-conditioners.B:How many workshops do you have?A:There are 4.Ill take you to these workshops afterwards.B:Thank you.Dialogue 2A:This is the freezer and refrigerator workshop.There are the models of our products.B:You produce four types of freezers and refr

13、igerators,dont you?A:Yes.They are models X451,X851,X051 and X221.The demand for the latter two always exceeds that of the former.B:Thats also the case in our country.Owing to the fast pace of modern life,large volume refrigerators are preferred so that people can spend less time shopping.I heard tha

14、t you dont produce compressors yourselves?A:Right.To ensure the quality of our products,we import compressors from abroad,especially from Italy.B:I know Italian compressors are of top quality.The coating of your products seems to be better than that of other refrigerators in China.A:Yes.That makes o

15、ur products gain a good reputation at home.Our products wont get rusty in at least 10 years.B:I see.You must have gained a considerable profit these years.A:Yes.But the prospect wont be so optimistic as it used to be owing to the increasingly keen competition and shrinking demand.Our sales have come

16、 down a bit this year.B:Dont worry.Things will improve so long as you try.Dialogue 3A:This is the air-conditioner workshop.It is a joint venture business with a Japanese corporation.All equipment and technology were introduced from Japan in 1999,and half of its products are sold on the overseas mark

17、et.B:This workshop looks bright and tidy.Workers must feel comfortable working here.A:Yes.It is designed to create satisfactory working conditions.B:It seems to me that you are working at full capacity.A:Yes,we have plenty of orders.Nowadays,with the increase of peoples income,the demand for air-con

18、ditioner is increasing year by year.B:But I know that your prices seem to be 5%higher than those of the similar products.A:Yes,our prices are a bit higher,but the quality is of first class.Now people care more about quality than prices.B:I see.A:Shall we go to another workshop?B:Lets go.Dialogue 4A:

19、This is the microwave-oven workshop.It is the newest and smallest one in our factory.It was set up in 1998 with two labs and a quality control section.B:How long have you been producing microwave-ovens?A:From 1998 we began to do experiments with magnetrons,and in April 1999,we successfully made our

20、first microwave-ovens.B:How do you ensure that there is no microwave leak?A:Well,thats mainly done by the quality control section.Every microwave oven will be checked by sensitive detectors to see if there is any leak before it leaves the factory.So the quality of our products is guaranteed.B:What d

21、o you think of the prospect of microwave ovens in China?A:I think they have a large potential market.As a convenient and safe cooker,they are being widely and quickly accepted by Chinese families.I am confident in the next few years their demand will exceed its supply.B:This must bring you enormous

22、profit.A:I hope so.B:Thank you for taking me around.A:Its my pleasure.New Words and Expressionsgain gen vt&vi.获得;赢得;增加fame fem n.名声;名望;传闻;传说roughly rfl adv.粗略地;大体上;大致上;粗暴地comparatively kmprtvl adv.对比地;相对地;比较地;有点staff stf n.全体职员;管理人员account for(在数量、比例上)占manufacture mnjufkt(r)vt.制造,生产;捏造,虚构;加工;从事制造fre

23、ezer friz(r)n.冰箱;冷藏库;制冷工refrigerator rfrdret(r)n.冰箱;冷藏库;制冰机,冷冻机microwave-oven makrwev vn n.微波炉workshop wkp n.车间exceed ksid vt.超过;超越;胜过;越过的界限large-volume refrigerator大容量冰箱compressor kmpres(r)n.压气机,压缩机coating kut n.涂层,表层reputation repjuten n.名气,名声;好名声;信誉,声望prospect prspekt n.前景;期望;眺望处;景象optimistic ptm

24、stk adj.乐观的,乐观主义的get rusty 生锈,腐蚀capacity kpst n.容量;才能;性能;生产能力magnetron mgntrn n.磁电管sensitive detector 敏感的探测器,检测器potential ptenl adj.潜在的,有可能的guarantee grnti vt.保证,担保Task 1 Listen to the recording and read the dialogues aloud.Task 2 Study and role-play the dialogues with your partner.ReadingText ACrea

25、te Excellence FEIDA MoldFEIDA Mold is one of the most well-known extrusion mold manufacturers in China.We own two subsidiary companies:AB Mold and TEC Mold and four mold classifications and produce hundreds of different products.The original company,AB Mold,was built in 1987.The 30-acre plant is loc

26、ated in Ningbo City,Zhejiang Province,a city famous as the“hometown of molds”and“kingdom of plastic”.In 2008,we expanded our business by setting up a new company called TEC Mold.As an experienced professional extrusion mold manufacturer,we have created our own unique extrusion integrated system.We a

27、re leaders in the field of mold design,thermoplastic fine inching control,PVC low foam technology,WPC raw material formulas and extrusion operating techniques.We have developed many products that are widely used in the construction industry,interior and external decoration and packaging as well as m

28、any of lifes daily necessities.We are committed to excellence in all aspects of our business.To this end,we aim to work closely with our customers to ensure that their demands are met and that our products are competitively priced without compromising on quality.Our company is proud to offer expert

29、support and advice to our customers to enable them to select or develop the most effective molded products for their requirements.Our technology support teams provide experienced advice and support at every stage of the business and we are also able to provide on the spot training to enable customer

30、s to use our products most effectively.Nonetheless,we are not complacent and constantly seek to improve the quality of our service and our products.Because of our rich experiences,advanced equipments and effective production processes,our products are now exported to over 40 countries in Europe,Amer

31、ica,Southeast and Central Asia.We aim to provide all our customers with the very best Chinese extrusion mold products and technological support.We look forward to cooperating with you to create a bright future.New Words and Expressionsclassification klsfken n.类别,种类competitively kmpettvl adv.有竞争力地;好竞

32、争地complacent kmplesnt adj.自满的;自鸣得意的compromise kmprmaz n.&v.妥协,让步constantly knstntl adv.不断地,时常地construction knstrkn n.建筑(物)cooperate kpret v.合作decoration dekren n.装饰,装潢;装饰品ensure n(r)vt.确保export ekspt vt&vi.出口,输出expand kspnd v.扩大,扩展external kstnl adj.外面的,外部的formula fmjl n.配方,公式integrated ntgretd adj.

33、完整的;整体的;集成的original rdnl adj.原始的;最初的process prses n.过程;工序;工艺流程professional prfenl adj.专业的;职业的reference refrns n.参考;证明文书spot spt n.地点,场所,现场subsidiary sbsdr adj.附带的,附属的thermoplastic mplstk adj.&n.热塑性的;热塑性塑料unique junik adj.唯一的,仅有的;独一无二的,独特的be committed to 致力于in the field of 在领域cooperate with 与合作extrus

34、ion mold 挤压式模具fine inching control 精密缓动控制PVC low foam technology PVC低发泡技术WPC raw material formula WPC原材料配方Task 1 Read the passage and then match the English expressions with their Chinese meanings.1.Extrusion moldA.现场操作培训2.subsidiary companyB.挤压式模具3.fine inching controlC.原材料配方4.low foam technologyD.

35、分公司5.raw material formulaE.低发泡技术6.on the spot training F.精密缓动控制Task 2 Read the passage again and fill in the blanks.1.Two subsidiary companies:_2.The location of the original company:_3.The field the company specializes in:_4.The fields in which the company is in the leading level:_5.What support th

36、e company offers:_6.The countries or areas the products are exported to:_7.The aim the company strives for:_8.The wishes of the company:_Task 3 Translate the following passage into Chinese.Our company is proud to offer expert support and advice to our customers to enable them to select or develop th

37、e most effective molded products for their requirements.Our technology support teams provide experienced advice and support at every stage of the business and we are also able to provide on the spot training to enable customers to use our products most effectively.Nonetheless,we are not complacent a

38、nd constantly seek to improve the quality of our service and our products.Text BCompression-ignition EnginesThe four-stroke compression ignition engine has a compression ratio of 16-24 to 1 and raises an induced charge of air to a pressure of 3-5 MPa and a temperature of 500-800 at the end of the co

39、mpression stroke.The fuel used has a self-ignition temperature of some 400 and therefore ignites when injected into the combustion chamber at an injection pressure of 10-25 MPa.In the petrol engine a homogeneous combustible mixture,supplied by the carburetor,is ignited by the sparking plug,but on th

40、e compression ignition engine the thorough mixing together of the fuel and air for complete combustion must be accomplished within the cylinder during some 35-40of crankshaft revolution.This presents difficulty and is accomplished by using a penetrating spray of finely-divided fuel and considerable

41、turbulence of the compressed air in the cylinder.Even so,only some 80%of air supplied can be utilized,but the spark ignition engine can consume all the air induced.Compared with the spark ignition engine the high combustion pressures need a strong,heavy and costly construction,while the fine limits

42、to which the fuel pump and injectors must be manufactured add to the expense.Even with extensive light alloy construction,the power to weight ratio is lower than for a petrol engine.Starting may present more difficulty due to the high compression pressure and the heat required for fuel ignition.Idli

43、ng is less smooth,acceleration slower,maximum rev/min are lower and imperfect combustion will result in a lower bmep and obnoxious exhaust smoke.On the other hand,the higher compression ratio gives a greater thermal efficiency and thus an increased economy km/L.The fuel is cheaper and has a much red

44、uced fire risk.Engine torque is greater at low engine speeds and in practice considerably less maintenance is required.Carbon,beyond a thin coating,does not form when the engine is operating correctly.New Words and Expressionsspark spk n.火花ratio re n.比;比率;比例inject ndekt vt.喷射,射入injector ndekt n.注射器;

45、喷油器chamber temb n.房间;燃烧室;会所homogeneous hmdins adj.同样的,均匀的carburetor kbjret n.化油器;汽化器plug plg n.塞子,火花塞,插头penetrating pentret adj.穿透的;渗透的spray spre n.雾,喷雾,喷嘴,浪花;vt&vi 喷雾divide dvad vt.分,分开,分配,除considerable knsdrbl adj.可观的,相当的,不可忽视的turbulence tbjlns n.涡流,湍流,骚动limit lmt n.限度,极限,公差alloy l n.合金idling adl

46、n.空转,惰转,慢车,怠速acceleration kselren n.加速,加速度imperfect mpfkt adj.不完全的,不完美的thermal ml adj.热的,温热的risk rsk n.危险,危险性torque tk n.转矩,扭矩maintenance mentnns n.维修,保养,维持carbon kbn n.碳,积炭coating kt n.覆盖层Task 4 Read the passage and translate the following expressions into Chinese.1.the compression ignition engine2

47、.a compression ratio 3.the compression stroke 4.the combustion chamber 5.the sparking plug 6.crankshaft revolution 7.the spark ignition engine 8.thermal efficiency Task 5 Read the passage again and decide whether the following statements are true(T)or false(F).()1.The four-stroke compression ignitio

48、n engine can get a temperature of 400 at the end of the compression stroke.()2.The spark ignition engine can utilize only 80%of air supplied.()3.The spark ignition engine needs a strong,heavy and costly construction due to the high combustion pressures.()4.The higher compression ratio gives a greate

49、r thermal efficiency and an increased economy km/L.Writing&TranslationTask Translate the following passage into Chinese.Internal-combustion engines are those engines that burn fuel inside the cylinder.Those that burn gasoline are known as gasoline engines.Other types of internal-combustion engines b

50、urn heavier oils or fuels.Of these types the diesel engine has come into the widest use.Each of this engine has a few main working parts;the auxiliary parts are necessary to hold the working parts together or to assist the main working parts in their performance.Chapter 2 Product IntroductionWarming

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