11 3) 滚动或滑动连接(sliding contact)：如电机的 电刷和换向器之间的接触，载流轴承和电车之间的接触、 电力机车受电弓滑板与接触网之间的接触 两接触元件通过两者的平...
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移动平衡装置是由和主框架滑动连接的移动架组成。
The movement balancing device comprises movable frames which are connected with the main frame in a sliding mode.
包括相互铰接在一起的底座和滑动座，所述滑动座上滑动连接有固定杆。
The foldable fixed seat comprises a base and a sliding seat which are hinged together, wherein the sliding seat is connected with a fixed bar in a sliding manner.
紧固套由弹性材料做成，支撑杆与紧固套两端与支承它们的横杆滑动连接。
The fixing sleeve is made of an elastic material, and the two ends of the support bar and the fixing sleeve are in slip connection with the supporting transverse rods.
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