提供了不同材料工件用砂带磨光时砂带速度的参考数据。

Reference data of sand belt speed for sand belt grinding of different materials workpieces are provided.

youdao

提供了不同材料工件用砂带磨光时砂带速度的参考数据。

Reference data of sand belt speed for sand belt grinding of different materials workpieces are provided.

youdao