JB47301994(,271000)HOWTOCOMPREHENDTHEINTENDMENTOFTHETOTALLENGTHOFSTRIPINCLUSIONINSTANDARDJB47301994LIJi2sheng(TaipanBoilerandPressureVesselInspectionBureau,Taipan271000,China):TG115.28+1:B:100026656(2002)04201812011,,JB47301994,4mm260mm,3mm2mm,8mm,?,2,,JB4730625(1):(1),T=4mm,.T=.4=1.3mm4mm,,4mm,(3mm,2mm)4mm,(2),260mm,12T=124=48mm,8mm6L=63=18mm,3+2=5mm,T=4mm,8mm3L=33=9mm,3+2=:20012092071JB47301)13T,4mm,20mm,6L,12TT23T,6mm,30mm,3L,6TT:1)3,12T()6T(),,,5mm,T=4mm,,,3JB4730,,,625,.T,4mm,20mm,#.T,6mm,30mm,JB4730(184)18124420024NDTVol.24No.4Apr.2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,,,,2,,,,,,22(),,,,,,(),,,,,,,:[1]JGJ231985,[S].[2]CEG02:1988,2[S].[3]CEC03:1988,[S].[4]CCECS21:1990,[S].(176)(2),,(3)(4),,,,,7,,,,,(181),,,3+2=5mm6mm,T,,JB4730625627,,,JB473062536272(),,12T()6T(),,,,,481:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.