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Old Oil and Gas Wells Could Find Second Life Producing Clean Energy
废弃油气井变身地热能源，清洁又环保，看看美国如何变废为宝。
States across the US are looking to take major sources of pollution and use them to generate much-needed power.
废弃油气井变身地热能源，清洁又环保，看看美国如何变废为宝。
States across the US are looking to take major sources of pollution and use them to generate much-needed power.