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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_淳朴汉英词典
淳朴汉英词典

ball-race mill

B 开头单词

短语词组

    短語

  • ball -and-race type pulverizer mill 鋼球座圈式粉碎機;鋼球座圈式磨煤機;中速鋼球座圈式磨煤機
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