2023年全國碩士研究生考試考研英語一試題真題（含答案詳解+作文范文）_第1頁
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1、洗衣機洗衣機WashingmachinesThewashingmachinefrominventiontonowbasexperiencedmethanacenturythroughthefollowingstagesofdevelopment:Thewld’sfirstwashingmachineistheUnitedStatesin1874byBillBlackstonesuccessfullydeveloped.Around191

2、0afirsthizontalshaftdrumtypeelectricwashingmachinemarkingthehousewkautomaticstart.NieentwentiesthefirstverticalshaftstirringtypewashingmachinetotheUnitedStatesofAmericatrialproduceissuccessfulthewashingmachinestartedthe“

3、vertical”“hizontal”cent.The50sJapan’sSanyoCompanylaunchedDanTongbowheeltypewashingmachine.Startswiththeidentificationofadrumtypemixingtypethewavewheelthreewkingmodes.In60theJapaneselaunchedwithflingsthedrybarrelsemiautom

4、aticwashingmachinealargenumberofapplicationsofplasticsothatthewashingmachine’sdevelopmentintoanewstage.In70theJapaneselaunchedawavewheelsetsofbarrelsoffullyautomaticwashingmachinebeganwith“automatic”washingmachineconcept

5、.Inthelate70theJapaneselaunchedamicrocomputercontrolledfullautomaticwashingmachine.Completedbythemechanicalelectricprogramcontrolcomputercontroltransitionstartedthecomputercontrolera.Thenthewashingmachineinthedevelopedco

6、untrieshaveenteredtheperiodofsaturationwhileinAsiaPacificdevelopingcountriesbegantoentertheperiodofpopularization.Thelate80s“fuzzycontrolwashingmachine”begantoappeartoachievethehomeelectricappliancecontrolmethodonthehigh

7、automation.“Whitegoods”concept.In90’swiththedevelopmentofinvertertechnologyJapanlaunchedthefirstofupmotdirectdrivenwashingmachinewashingmachinedrivingmoderealizedtherevolution.Thewashingmachinewillbeofhighreliability，per

8、fectfunctionwatersavingpowersavingtimesavingnoisereductionofspecificationsvarietiesdiversificationfthedirectionofdevelopment.Thereasonwhyawashingmachinelikethiscanwashgetthewateroutoftheclothesatthesametimeisbecauseithas

9、adoublelayerdrum.Whenwashingrinsingthepulsatspinsmakesthewaterswirl...Togetthewateroutoftheclothestheinnerwallofthedrumspinsthewatergoesthroughtheholes.Thesedaysthe“centrifugalfcewashingmachines”arequitepopular.ThisLooki

10、ngbacknowtherewassomethingstrangefunnyonsomeofthefirstversionsofthewashingmachine.Themachinehadtworollersthatwereusedtoswicheachshirtotherclothestosqueezethewateroutofthem.Therollerswereturnedbyhinfactyouneededalotofstre

11、ngthtoturnthosethings!Stillpeoplethenthoughtitwasareallyneatinvention!Thistypeofwatersqueezerwasusedfalmost30yearsuntilsomethingnewcamealong.Thespindrierthatused“centrifugalfce”togetmostofthewaterisoutoftheclothes.In1953

12、thenozzletypewashingmachinewasfirstsoldinJapan.Thiswashingmachineisliketheolderbrotheroftheswirlingwashingmachinethatyouseetoday.Thepriceofthesewashingmachineswaslowerbecauseofthismepeopleboughtthem.Thefirstfullyautomati

13、cwashingmachinewasintroducedin1968afterthatwashingclothesbecamealoteasiertodo!Therearealotofdifferenttypesofwashingmachines.WhatkindofwashingmachinedoyouhaveinyourhouseFullyautomatic:Thefullyautomaticmachinehastwodrumlay

14、ersthatwashrinseremovewaterfromclothestogether.Allyouhavetodoisadddetergentputindirtyclothesthenwashingmachinewilldotherest.Thereisalsoanewtypeoffullyautomaticwashingmachinethatcandryclothesaftertheyhavebeenwashed.Twintu

15、b:Thiswashingmachinehasonepartthatdosethewashinganotherpartthatdoesthesqueezing.Eventhoughit’sahassletotaketheclothesoutmovethemtoothertubthegoodthingisthatyoucanwashsqueezeatthesametimewithonemachine.Frontloading:Themai

16、nfeatureoffrontloadersisthattheyusealotlesswaterthanothertypes.ThisisthetypeofWashingmachinethatdrycleanersusebutalotofpeopleinwesterncountrieshavethistypeofwashingmachineintheirhomestoo.Let’strytomakethebestwashingmachi

17、neinthewld!Weshouldalreadythankthescientiststhatinventedthefullyautomaticwashingmachinebecauseitmakeswashingclothesapieceofcake.Scientistsarestilltryingreallyhardtofindwaystomakewashingmachinesalothiertousefeveryone.Some

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