Biofuel consumption may be as simple as throwing a log on a fire or as complex as burning a combustible gas derived from plant matter in a combined-cycle electricity-generating unit.

生物燃料消耗可作为简单，扔在火日志或如燃烧的可燃气体，植物物质产生的联合循环发电装置复杂。

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Taking the minimum cost per unit power generation as the objective function, a thermo-economic optimization model for gas and steam combined cycle power generation system is established.

以单位发电量最低成本为目标函数，建立了燃气-蒸汽联合循环发电系统的热经济学优化模型。

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This paper analyzed the problems existing in the commissioning of heat recovery boiler and steam turbine in a175MW gas-steam combined cycle generating unit and put forward the improvement proposals.

针对某175MW燃气-蒸汽联合循环机组中余热锅炉和蒸汽轮机调试存在的问题进行分析，提出改进意见。

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