Aharborisanyplacethatprovidesseagoingshipsorboatsofanykindwithameasureofprotectionfromthewindandwaves.Tofulfillthisrole,aharbormustbedeepenoughtoaccommodatethelargestshipsthatmayuseit,andhaveabottomthatwillholdthematanchor.Aportisaharborwithfacilitiesfort...[继续阅读]

    Twonineteenth-centuryinventionsledtoarevolutioninbridgebuilding.ThesewerePartlandcementandmass-producedsteel.Cementisthevitalingredientofconcrete,andmassconcretecanbeusedtobuildpiers,abutments(banksupports),andarchesof“artificial”stonetoanyrequiredshape.W...[继续阅读]

    ModerncanalprovideimportanttransporthighwaysthroughoutEuropeand,toalesserextent,NorthAmerica.TheriversRhineandMosellefeedandxtensivecanalsysteminGermanythathasconnectionstotheDutch,Belgian,andFrenchnetworks.AnewmajorwaterwayiscompletedtoconnecttheRhinewit...[继续阅读]

    WhenOrvillewright(1871—1948)andhisbrotherWilbur(1867—1912)mademansfirstpoweredflightonDecember17,1903,atkittyHawk,NorthCarolina,theyrevolutionizedtransportation.Intheorythenewaircraftmadepossiblethemovementofmenandgoodsfromanypointonearthtoanyotherwithout...[继续阅读]

    Engineer(E):Goodmorning!Firstletmeintroducemyself.MynameisDavidLee,aConsultantEngineerofDaLongPowerStationCompanyLimited.Iamgladtomeetyou!Contractor(C):Goodmorning!Nicetomeetyoutoo!IamWangHai.IworkforCSCECCorporationastherepresentativeofthecontractorforth...[继续阅读]

    C:TodaywewouldliketosubmitourapplicationforthesectioncompletioncertificatesfortheTurbineGeneratorBuilding.Theearlyissuingofthecertificatewillbeverymuchappreciated.E:Inmyopinionitistooearlytoissuethesectioncompletioncertificateforthebuilding.C:I′mafraidIca...[继续阅读]

    Thefirstroadsusedbypeoplewereprobablybeatenoutbythehoofsofanimalsastheymadetheirwaybetweenfeedingandwateringplaces.Routesthatbeganasmerecattletracksorhuntingandsupplytrailsdevelopedaftertheinventionofthewheelintoharder-wearingroadscrisscrossingtheancientw...[继续阅读]

    E:NowyouhavesignedtheContractfortheProjectforacoupleofweeks.Wethinkitisnecessarytohaveacheck-uptoyourtemporarysitefacilities.C:Yes,wethinkso,too.Shallwegototheproductionareafirst?Hereweare.Thisistheprecastyardforthereinforcementconcretepiles.Thesetwogantr...[继续阅读]

    Assoonasearlypeoplesestablishedsettlementtheyhadtheproblemofgettingridofsewage——theirorganicwastesand,sometimes,thoseofdomesticanimals.Naturedisposesofsurplusorganicmaterialinfourprincipalwaysbydilution,oxidation,putrefaction,andfiltration.Earlypeoplesrel...[继续阅读]

    E:TodaywewouldliketodiscusswithyoufromChapter3oftheConstructionMethodStatement.Let’sseetheOrganizationChartfirst.C:ThisOrganizationChartisatypicalorganizationforlargeindustrialplantswehaveperformed.E:Wenoticedthatitlookslikealargeorganization,maybetoolarg...[继续阅读]