CurrentengineeringpracticeforAutoCADdrawingdataexistinrelationtotheArcGISdataexchangeandmanagement,theprevalenceofinformationloss,lowefficiency,relativelyisolated,two-wayflowofdataisnotdifficulttoupdateandotherissues,in-depthanalysisandresearch,presentedBasedDwgDirecttechnology,supportin