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目前俄罗斯几乎全部地理位置优越且丰富的碳氢化合物矿床都由大公司经营。大公司不愿意开采矿山地质条件复杂,赢利低,储量往往难以回收的
At present, almost all the well-located and abundant hydrocarbon deposits in Russia are run by large companies. Large companies do not want to mine complex geological conditions, low profits, reserves are often difficult to recover