这是由于对高研磨研磨材料的核心。
It is caused by highly abrasive material grinding against the core.
它是用在研磨材料会穿任何东西。
It is used where abrasive materials would wear anything else.
选择适用于要研磨材料(如铝)的砂轮。
Use the appropriate grinding wheel for the material to be ground, i. e., aluminum.
球磨机是一个非常有效的工具，许多材料研磨成细粉。
Ball Mills are a very efficient tool for grinding many materials into a fine powder.
球磨机是一个非常有效的工具，许多材料研磨成细粉。
Ball Mills are a very efficient tool for grinding many materials into a fine powder.
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