抛光砂纸带自动收卷，抛头进、退采用滚珠直线导轨两层工作平台。
CR-Finishing Film is automatically rewinded. Two groups of ballscrew linear guideway are equipped for the forward and backward movement of polishing head.
抛光砂纸带自动收卷，抛头进、退采用滚珠直线导轨两层工作平台。
CR-Finishing Film is automatically rewinded. Two groups of ballscrew linear guideway are equipped for the forward and backward movement of polishing head.
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