price per kilowatt-hour 中文意思是什麼
price per kilowatt-hour
解釋
電度單價-
The price of wind power has fallen from $ 2 per kilowatt hour in the 1970s to 5 - 8 cents now, compared with 2 - 4 cents for coal - fired power
風能電的價格也從1970年代的每瓦特2美元降至如今的5 - 8美分,而煤電也不過2 - 4美分。
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