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reduction ratio 【工程】破碎比 以上来源于:《21世纪大英汉词典》 reduction ratio粉碎比,减缩比, 减速比reduction ratio磨碎率;粉碎[粒径]比reduction ratio缩小倍率;缩减比reduction ratio减速比;减缩比reduction ratio减速比;缩减比reduction ratio减速比;缩小比reduction ratio归约比reduction ratio碎矿比reduction ratio磨碎比reduction ra |