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)。
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)。
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