rail bearing轨枕,轨承,轨底支承面 oscillating bearing中心环节关头轴承 full-journal bearing全围式滑动轴承full-molded type rubber bearing群体模制式橡胶轴承 ..
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... knife-edge bearing刃形支承,刃支承,刀口承 knuckle bearing铰式支座,球形支座,中心环节关头轴承 labyrinth bearing不容易探索的领域轴承,曲径式弥缝轴承 ...
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