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圆柱形内孔 [yuán zhù xíng nèi kǒng]
[机] cylindrical bore
- 可用于无内孔或内孔堵死的圆柱形落物进行打捞。
The box taps are used to catch cylindrical fish with bore or without bore . - 有圆柱形内孔轴向开口的套筒，其外表面为圆锥形且大端有外螺纹。
A cylindrical axial bore opening of the sleeve, its external surface for the conical and large end with external threads. - 调心滚子轴承种类：调心滚子轴承分为：圆柱形内孔、圆锥形内孔。
Self-aligning roller bearing 's type:cylindrical shape inner hole, taper shape inner hole.
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