Coal gangue is the largest source of industrial solid waste in China.

煤矸石是我国最大的工业固体废物源.

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The pyrite cinder is the industrial solid waste.

硫铁矿烧渣是硫酸工业的废弃物.

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The industrial solid waste discharge was 28.938 million tons, 9.2 % over the previous year.

工业固体废物排放量为2893.8万吨, 比上年减少9.2%.

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Pulverized coal ash is an industrial solid waste from power industry and coal - burning boilers.

粉煤灰是电力工业和 燃煤 锅炉产生的一种工业固体废物.

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