西安建大环境微生物学02-07考研试题

(,400021)::;;Abstract:Inthewayoftechnology,thispaperintroducesbrieflytheprocessandcontrolinthetrussframeworkweldingofthebuschassis.Keywords:Buschassis;Trussstructure;Integratedwelding:U463132:B:100623331(2004)0320036202,:()(),,,,,,,1,,,()(),,(),,,:111,,,,:(1)1mm,1;(2)(),,,,11,;(,1mm),112,,,:ABC,2,(90),(12mm),,(,,),,263BUSTECHNOLOGYANDRESEARCHVol126No132004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,:12;22;322(1),,,(,6m)(2),(),34mm,(3),2,;,,,(20Lm)(4)2mm,34mm,,,113,(2mm),,;,2,,,,():[1]1[M]1:11995[2]1[M]1:12002:2003203228,ISO9001(2000)JJ,,,!:147211:200335:021262386624:0212521967033:37©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.