我国高校高水平运动队科研论文研究现状与问题探析.pdf

:1999AnAmericanNationalStandardSpecificationforBareAluminumandAluminum-Alloy--`,,```,,,,````-`-`,,`,,`,`,,`---workingpermittedwithoutlicensefromIHSNotforResaleKeyWords—Barealuminum,fillermetal,:1999rods,aluminumelectrodes,gasmetalarcAnAmericanNationalStandardwelding,gastungstenarcwelding,castaluminumalloys,oxyfuelgaswelding,Approvedbyplasmaarcwelding,classification,AmericanNationalStandardsInstitutespecificationNovember23,1999SpecificationforBareAluminumandAluminum-AlloyWeldingElectrodesandRods--`,,```,,,,````-`-`,,`,,`,`,,`---SupersedesANSI/-mitteeApprovedbyAWSBoardofDirectorsAbstractThisspecificationprescribesrequirementsfortheclassificationofbare,wroughtandcastaluminum-alloyelectrodes,androdsforusewiththegasmetalarc,gastungstenarc,oxyfuelgas,(SI).Sincethesearenotequivalent,,Miami,workingpermittedwithoutlicensefromIHSNotforResaleStatementonUseofAWSAmericanNationalStandardsAllstandards(codes,specifications,mendedpractices,methods,classifications,andguides),ormadepartof,documentsthatareincludedinfederalorstatelawsandregulations,ortheregulationsofothergovernmentalbodies,,,,:0-87171-550-35AmericanWeldingSociety,,Miami,FL33126©