The indirect combined cycle, which consists of a steam cycle and a nitrogen gas turbine cycle with a pre-cooler, could be the first choice.

由蒸汽循环和带有预冷器的氮气透平循环构成的间接联合循环可以作为首选方案。

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This is where it should sell if the cycle timely turns, but there are no indicators as yet that better steam coal pricing or a recovery in metallurgical coal is in the cards.

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Legge notes that newer fossil fuel plants use the heat that was once wasted to turn an extra steam turbine, a process known as combined cycle.

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