hub sleeve
齿毂与啮合套 HUB&SLEEVE SYNCH
轮毂衬套 HUB SLEEVE
轮毂衬套插孔 hub
内毂套具有周向延伸的连续的波状导槽，而外毂套具有在其内圆柱面上均匀分布且轴向延伸的沟槽。
Interior hub sleeve has the continuous wavy guide slot that circumference is extended, and outer hub sleeve has evenly distributed and axially extended slot on its inner cylinder face.
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