The four arrows of the diamond point toward the four sides of the editing pane.
菱形的四个箭头指向编辑窗格的四个边。
The errors of grinding wheel dressed by diamond point cause the race to produce non-circular arc tooth profile errors.
金刚石笔修整砂轮误差使滚道在磨削时产生非圆牙形误差。
The errors of grinding wheel dressed by diamond point cause the race to produce non-circular arc tooth profile errors.
金刚石笔修整砂轮误差使滚道在磨削时产生非圆牙形误差。
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