三维建模软件：catia 老师给的作业，照画的 bottle_step1_1end.CATPart(93.46KB)，bottle_step3_7end.CATPart(4.31MB)，bottle_step3_8end.CATPart(4.54MB)，Bottle_Step4Begin.CATPart(5.14MB)，Bottle_Step4_1end.CATPart(5.15MB)，Bottle_Step4_2end.CATPart(5.16MB)，Bottle_Step4_3end.CATPart(5.27MB)，Bottle_Step4_4end.CATPart(5.3MB)，Bottle_Step4_5end.CATPart(5.37MB)，Bottle_Step5Begin.CATPart(5.37MB)