那是风能平准化成本的两倍，燃煤发电的四倍。
That’s more than double EIA’s estimate of the total system levelized cost of wind, and almost four times the cost of conventional coal.
那是风能平准化成本的两倍，燃煤发电的四倍。
That’s more than double EIA’s estimate of the total system levelized cost of wind, and almost four times the cost of conventional coal.
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