研磨室内，轴承与磨轮分开，增加机械使用寿命，保持原料品质，不沾油污。
In grinding room, the shaft and grinding wheel are separated to increase the working life of the machinery, sustain the quality of the material, oil stain.
研磨室内，轴承与磨轮分开，增加机械使用寿命，保持原料品质，不沾油污。
In grinding room, the shaft and grinding wheel are separated to increase the working life of the machinery, sustain the quality of the material, oil stain.
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