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目前苏联和美国在超深井钻进方面都有很大的发展,苏联为了研究与解决深达15公里或更深一些的地壳有关问题,现已提出7000-10000米的深井钻进问题。
At present, the Soviet Union and the United States have all made great progress in ultra-deep well drilling. In order to study and solve the problems related to the crust up to 15 kilometers in depth or deeper, the Soviet Union has proposed a deep well drilling problem of 7000-10000 meters.