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该机构既有减速功能,又可将回转运动变成直线运动,其结构如图所示。中间滚动轴承内圈是一个螺母,丝杠与螺母啮合,丝
The agency has both deceleration function, but also turning into linear motion, its structure as shown. The middle of the inner rolling bearing is a nut, screw and nut mesh, wire