滚动元件的外表面与支承构件的下表面所描述的轨迹(149)或虚拟表面基本一致。

The outer surface of the rolling element is substantially coincident with a locus (149), or virtual surface, described by the lower surface of the support member.

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滚动元件的外表面与支承构件的下表面所描述的轨迹(149)或虚拟表面基本一致。

The outer surface of the rolling element is substantially coincident with a locus (149), or virtual surface, described by the lower surface of the support member.

youdao