Since the late 1960's problems of emissioncontrol and waste disposal have sharply reduced the appeal of coal-fired powerplants.
从1960 年以来，排放控制和垃圾处理的问题极大地削弱了燃煤电厂的魅力。
Since the late 1960's problems of emissioncontrol and waste disposal have sharply reduced the appeal of coal-fired powerplants.
从1960 年以来，排放控制和垃圾处理的问题极大地削弱了燃煤电厂的魅力。
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