The scheme has preceptorial function to inducing the dust concentration and improving the job condition.

本方案对于降低综放工作面粉尘浓度,改善工人作业环境具有指导作用.

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The dust concentration must be control, and the dust collecting system efficiency must be fairly high.

控制粉尘浓度,要求集尘器系统效率良好.

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There were two problems that flue gases entrained water and flue dust concentration exceeded discharge standard.

某热电厂尾部烟气的湿法除尘装置存在严重的烟气带水和烟尘排放浓度超标问题.

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The seam water injection is an effective measure to control coal dust concentration.

煤层注水是降低矿井粉尘浓度的有效措施之一.

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