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ball mill英英字典_ball mill剑桥英语解释_ball mill柯林斯英文解释_欧米惠必应词典
欧米惠必应词典

ball mill

B 开头单词

柯林斯词典

    ball mill

  • 1. N a horizontal cylinder or cone in which a substance, such as a mineral, is ground by rotation with steel or ceramic balls 球磨机[engineering]

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