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ball-race mill短语解释_ball-race mill词组用法_ball-race mill短语词组_菜篮子兴趣思朗文词典
菜篮子兴趣思朗文词典

ball-race mill

B 开头单词

短语词组

    短语

  • ball -and-race type pulverizer mill 钢球座圈式粉碎机;钢球座圈式磨煤机;中速钢球座圈式磨煤机
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