Weld the outer sidemember with a full butt weld under shielding gas.
用气体保护全对接焊，焊接外侧梁。
2
Combining the example of drawing die design for the rear sidemember of automobile body, studied on the drawing die structure design of saddle-shape part.
结合车身零件——后纵梁拉伸模具的设计实例，对马鞍形汽车车身零件的拉伸模具的结构设计进行了研究。
3
The said connecting part connects with front sidemember and rear sidemember separately to make the composed box border sheet capable of folding in side direction.