In accordance with the invention, the lower transmission component (20) has an upper collar (30) which forms a reservoir (31) around the spindle (21).

根据本发明，所述下传动件(20)具有上颈环(30)，该上颈环(30)形成围绕所述轴(21)的储器(31)。

youdao

In accordance with the invention, the lower transmission component (20) has an upper collar (30) which forms a reservoir (31) around the spindle (21).

根据本发明，所述下传动件(20)具有上颈环(30)，该上颈环(30)形成围绕所述轴(21)的储器(31)。

youdao