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1、沙发的专业知识-家具制造（Sofaexpertise-furnituremanufacturing）Professionalknowledgeofthesofa-furnituremanufacturing,.Txt54letyesterdayintothewater,letbygonesbegonewiththewind,today'scup,donotholdtheremnantsofyesterday'smark;onlytreasurenow,canharvesttomorrow.ProfessionalknowledgeofsofaClass
2、ificationofsofa:1???Lowbacksofa?Belongtotheleisuretypeportablechair,itisinasupportingpointtosupportthewaistoftheuser,thesofabackrestheightislow,generallyfromtheseatof370mm,asmallangle,notonlyconducivetorest,butalsothewholeperipherysizematchednarrowsofa.Thesofaiseasytomoveandligh
3、t,andcoversanareaofsmallersize.2???Anordinarysofa?Itisoneofthemostcommonhouseholdgoodsatpresent.Mostofthemaresoldinthismarket.Theutilitymodelischaracterizedinthat2supportingpointsareusedtosupportthewaistoftheuserandthethoracicvertebrae,andthecurvedsurfaceswhicharematchedwitheach
4、partofthebodycanbegenerated.Theanglebetweentheseatandthesittingsurfaceofthesofaiscritical,andtheangleistoolargeortoosmall,whichwillcausetheabdominalmusclesoftheusertobetenseandfatigue.Thesofaseatbodywidthshouldnotbetoolong,usuallywithin540mm,sothattheuser'slegadjustedposture,mor
5、ecomfortable,andcanpreventthewaistvoid,nottobackache.3??????highbacksofaAviationtypechair,teachingisreflectedintheleisureclassinHomeFurnishingsoftware,ithas3advantages,makethewaist,shoulder,backandonthesurface,the3supportingpointsconstitutealineinspace,thusmakingthesofaofhightec
6、hnology,productionhasacertaindegreeofdifficultyweshouldconsiderthe3supportpointsofthestructureisreasonable,canonlytrytosittojudge.Two:composition1????structure?Aframe:theouterframeisallthroughwoodorotherhardwarearchitecturesupportingsofa,sofaisveryintuitiveexpressionoftheexterna
7、lstructure.Binnerframe:theinnerframeisusedtoconcealtheentityofthesofathroughtheouterpackage,andexpresstheexternalleather,clothandotherdecorativematerialsintuitively.2???.material,knowledgeandmaintenanceofsofasA(1)leatherknowledge:leatherhasbeenusedforabout300yearsandisoriginally
8、hand-madetodevelopintomechanicalprocessing.Ital
