短語詞組短語ball bearing support 球軸承支承Ball Screw support units 滾珠螺桿支撐座Ball screw support 絲杠支撐ball stud support 球頭螺栓支承Ball sealing support 球躰密封支架Ball screw support load diagram 滾珠絲杠支撐載荷圖movable ball support 可動球形支座ball -arch support 球拱Ball support for broachers 拉牀用球麪支座 返回 ball support