center hole meaning in English
中导孔
中心孔顶尖孔
Examples
- Center holes 60 with thread for shaft ends for rotating electrical machines
旋转电动机械用轴端带螺纹的60度中心孔 - Cylindrical and 1 10 conical shaft ends . internal threads . center holes
园柱轴和1 10锥度的锥形轴端.内螺纹.中心孔 - The design of the special machine - tool which is used to cut center holes of a quill part
加工套筒零件两端中心孔的专用机床设计 - Center hole grinder
中心孔磨床 - Material : plies of 100 % cotton cloth sewed in the form of a spiral around the center hole
材料：用定织纯棉布多层折叠，车缝中心制成。