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新世纪里能源能满足人们的需要吗?石油采完了怎么办?能源专家丹·耶金说:不用担心,我们有燃料电池。如何以有利于环保的方式提供能源,是下个世纪的一个重大问题.随着
Energy in the new century to meet people’s needs? Oil finished mining how to do? Energy expert Dan? Ye Jin said: Do not worry, we have fuel cells. How to provide energy in an environmentally friendly way is a major issue for the next century. With the