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1、带衬垫的管道环焊缝根焊技术及焊接工艺第39卷第5期2009年5月雹珲墩ElectricW_eldingMachineVol_39No.5May2oo9带衬垫的管道环擤缝根焊技米芨焊接i艺梁君直,靳海成,黄福祥,邹欣(中国石油天然气管道局科学研究院,河北廊坊O65O01)ResearchofrOotweldingtechn0logyandweldingprOcedurewithback-upsh0espipelinegirthweldingLIANGJun—zhi,儿NHai—cheng,HUANGFu—xiang,Z0UXin(I)ipe¨neResearchInstituteofCNPC,L
2、angFang06500l,China)Abstract:Tores01vethete(?hnial(:imumI_entialbakir唔weldjngpmbkmsin山el0ng_distancepibneconstmcti0n,山e(b1219mm1iner0fpneumatictubeinsidethedevieisusedtof0rrnacompl带衬垫的管道环焊缝根焊技术及焊接工艺第39卷第5期2009年5月雹珲墩ElectricW_eldingMachineVol_39No.5May2oo9带衬垫的管道环擤缝根焊技米芨焊接i艺梁君直,靳海成,黄福祥,邹欣(中国石油天然气管道局科学
3、研究院,河北廊坊O65O01)ResearchofrOotweldingtechn0logyandweldingprOcedurewithback-upsh0espipelinegirthweldingLIANGJun—zhi,儿NHai—cheng,HUANGFu—xiang,Z0UXin(I)ipe¨neResearchInstituteofCNPC,LangFang06500l,China)Abstract:Tores01vethete(?hnial(:imumI_entialbakir唔weldjngpmbkmsin山el0ng_distancepibneconstmcti0n,山e(
4、b1219mm1iner0fpneumatictubeinsidethedevieisusedtof0rrnacompl带衬垫的管道环焊缝根焊技术及焊接工艺第39卷第5期2009年5月雹珲墩ElectricW_eldingMachineVol_39No.5May2oo9带衬垫的管道环擤缝根焊技米芨焊接i艺梁君直,靳海成,黄福祥,邹欣(中国石油天然气管道局科学研究院,河北廊坊O65O01)ResearchofrOotweldingtechn0logyandweldingprOcedurewithback-upsh0espipelinegirthweldingLIANGJun—zhi,儿NHai—
5、cheng,HUANGFu—xiang,Z0UXin(I)ipe¨neResearchInstituteofCNPC,LangFang06500l,China)Abstract:Tores01vethete(?hnial(:imumI_entialbakir唔weldjngpmbkmsin山el0ng_distancepibneconstmcti0n,山e(b1219mm1iner0fpneumatictubeinsidethedevieisusedtof0rrnacompl带衬垫的管道环焊缝根焊技术及焊接工艺第39卷第5期2009年5月雹珲墩ElectricW_eldingMachineVo
6、l_39No.5May2oo9带衬垫的管道环擤缝根焊技米芨焊接i艺梁君直,靳海成,黄福祥,邹欣(中国石油天然气管道局科学研究院,河北廊坊O65O01)ResearchofrOotweldingtechn0logyandweldingprOcedurewithback-upsh0espipelinegirthweldingLIANGJun—zhi,儿NHai—cheng,HUANGFu—xiang,Z0UXin(I)ipe¨neResearchInstituteofCNPC,LangFang06500l,China)Abstract:Tores01vethete(?hnial(:imumI_en
7、tialbakir唔weldjngpmbkmsin山el0ng_distancepibneconstmcti0n,山e(b1219mm1iner0fpneumatictubeinsidethedevieisusedtof0rrnacompl带衬垫的管道环焊缝根焊技术及焊接工艺第39卷第5期2009年5月雹珲墩ElectricW_eldingMachineVol_39No.5May2oo9带衬垫的管
