The combination bearing are assembled by a rolling bearing, a sliding bearing, a gland bush, a distance bushing and other relative fastening pieces.

该组合轴承由滚动轴承、滑动轴承、压盖、隔套、及相关紧固件组装而成。

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Is mainly the axle axis and the bearing bush sliding friction surface wears, becomes rough, creates the bearing oil leak.

密炼机的主要是轴子轴与轴承衬的滑动摩擦表面磨损，变得粗糙，造成轴承漏油。

youdao

When Bush took office, stocks already were sliding due to the dot-com bust that started in early 2000.

FORBES: Rising Market Means Obama Wins