The grinding surface is also the positioning surface of the workpiece in centerless grinding. 摘要無心磨削中，工件的磨削麵就是工件的定位基準面。
This fixture should be provided with a reference leveling surface, so that it can be kept level as the balance deflects. 這種裝置應該有一個水平基準面，以便在天平變形時能夠使之保持水平。
滬公網安備 31011502000490號
電信業務許可證編號：滬B2-20190700
