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1.The rock screenings are essential for the construction of buildings.
岩石筛选对于建筑施工至关重要。
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2. The company uses rock screenings to test the quality of its products.
该公司使用岩石筛选来测试其产品的质量。
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3.The rock screenings were used to identify the location of a mineral deposit.
岩石筛选被用来识别矿物矿床的位置。