Hot zinc - diping slag is waste slag hot zinc - diping industry.

热镀锌渣是热镀锌行业产出的含锌废渣.

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At present , the impurities of zinc - oxide which is made of the waste slag is over standard.

利用这些废渣生产氧化锌, 其杂质含量超标.

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The industry waste slag fly ash or the river sand is used as the siliceous material.

工业废渣粉煤灰或河砂一般被用来作为硅质材料.

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