本发明提供了一种汽车动力转向用回油管及其制造工艺。

The invention provides an oil return pipe used for automobile power steering and a manufacturing technique thereof.

youdao

本发明提供了一种汽车动力转向用回油管及其制造工艺。

The invention provides an oil return pipe used for automobile power steering and a manufacturing technique thereof.

youdao