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目前，砂钻仍是砂矿勘探的一个主要施工手段。我们在勘探某砂金矿时，一年多时间先后投入砂钻工作量五千余米，为国家提供了一个中型砂金矿基地。
At present, sand drilling is still a major means of construction of sand exploration. When we explored a gold mine, we invested more than 5,000 meters of sand drilling more than a year to provide the country with a medium-sized gold and gold mine base.