近期的报告显示，实际上，该地区的供电需求正在下降。
Recent reports show that demand in the region has actually been declining.
总计，回收34吨就可以满足美国100万个家庭50年的供电需求。
In total, the 34 tons to be recycled there are expected to generate enough electricity for a million American homes for 50 years.
发电厂不得不烧更多的煤，以生产更多的电能来满足供电需求。
Power plants burned more coal to generate enough electricity to meet demand.
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