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1、ThedevelopmentoftheChinamachineryChinaistheworld'sfirstnationalmachinerydevelopment.ChinesemechanicalengineeringtechnologynotonlyhasalonghistoryandsplendidachievementsinChineseisnotonlythematerialcultureandsocialeconomicdevelopmentplaysanimportantroleintheworld,andtopromotetheprogressof
2、civilization,technologyhasmadegreatcontributiontoChinesetraditionalmachine.Andinalongperiodaheadintheworld.Inmoderntimes,especiallyfromtheearly18thcentury,duetothenineteenforties,duetotheeconomicandsocialreasons,suchastheChinamachineryindustry,stagnation,inthe100yearsiswesternbourgeoisp
3、oliticalrevolutionandindustrialrevolution,mechanicalscienceandtechnologyisdevelopingrapidly,andfarmorethanthelevelofChina.So,Chinamechanicaldevelopmentlevelandthewesterngapwidens,sharplytothe19thcenturymiddlebehindwesternonehundredyears.AfterthefoundingofnewChina,especiallyinthepast30ye
4、ars,ourcountry'smechanicalscienceandtechnologydevelopmentspeed.Tothemechanicalproductlarge-scale,precision,automationanddiscussesthetrendofdevelopment.Insomeaspectshasreachedorexceededtheworldadvancedlevel.Generallyspeaking,currentlyChinamechanicalscienceandtechnologyachievementishuge,d
5、evelopingfast,highlevelofunprecedented.Inthisperiod,Chinahasnoendofmechanicalscienceandtechnologywilldeveloptoahigherlevel.Aslongaswecanadoptthecorrectpolicy,withgoodtechnologydevelopmentandinnovation,ourmachineryindustryandmechanicaltechnologycanrevitalize,leadingtothedevelopmenttrendo
6、fmechanicalindustry.In1964,changshaconstructionmachineryinstituteHB120developedmovabletype,In1977,changshaconstructionmachineryfactorybuildingsanddevelopedinliuzhouHZR250typeandtheHZR70typevibratingplateram,In1983,changshaconstructionmachineryinstituteandthejointdevelopmentofhubeivibrat
7、ioninthefirstHZR70typevibrationshockramming,Themechanicalprocessing:Accordingtothearchaeologicaldiscovery,hot-workingcastinginBeijingpinggu,changpingandsohaveprovedthatthe16thcenturyBCshangdynasty(bronzeobjects.Mingyongle(1403-1424years),Beijingproduceworld-renownedMingyonglegr
