求教

yangxm

老板给了一份德文图纸，上面有些指标不懂，求教！！！

3D/2D OC 3X 30401 18.02.04 LUTZ

3D/2D OB 11 27699 09.09.03 LUTZ

3D/2D OA 7 21759 03/01 SISM

3D/2D — — 15962 15.11.00 SISM

本人邮箱：yangxm258@yeah.com