In order to understand thequality of traffic signsproducts and improve quality,this paper inspectstraffic sign plate product quality,and discusses the matters needing attention and improvement methods for the inspec-tion items such as sampling base and quantity,product marking,appearance quality defects,the planeness of plate,the joint of plate,structural dimension and photometric characteristics of sign plateand the matters needing attention andimproving methods.
国家科技期刊平台
NSTL
万方数据
