... spending boom 消费高涨 sphere of consumption 消费范围 sponsor 资助人 ...
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The factors which influence the ball mill operating economically is more. First, the wear consumption of steel sphere and backing sheet is serious.
影响球磨机经济运行的因素较多，首先是钢球和衬板由于选材和匹配不当，磨损严重、消耗量大。
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