Cement grinding process production, environmental air contains high concentrations of dust.

水泥厂生产粉磨加工过程多，环境空气中含粉尘浓度高。

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The application of wet dust removal technology in grinding and polishing enterprises involving aluminum, magnesium and other metal products.

在涉及铝镁等金属制品打磨抛光作业企业中推广使用湿式除尘工艺。

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That saves a lot of grinding and a lot of tool lost to dust.

这节省了研磨的工具，失去了很多很多的灰尘。

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Far from it being the rapacious capitalists that are grinding the faces of the poor into the dust it is rapacious government which has been grinding the faces of the poor into the dust.

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All the bad things about capital impoverishing, grinding the faces into the dust, labour came about when capital acted as a class.

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