烧煤的热电厂的效率通常在30%到50%之间，使用天然气的联合循环燃气轮机系统最大效率在45%到50%之间，而很多专家认为高温燃料电池的效率可达到80%至85%。
The efficiency of a coal-fired thermal plant is typically in the range of 30%-35%. In a combined cycle gas turbine system running on natural gas, the maximum efficiency is in the range 45%-50%.
燃气轮机联合循环发电技术是利用钢铁厂剩余高炉煤气的有效途径。
Gas turbine combined cycle generation technology is a effective way to utilize the surplus blast furnace gas of iron and steel plants.
煤气化联合循环发电同时采用燃气轮机和蒸汽轮机发电，使环境控制和总系统效率有相当大的提高。
Integratedgasification combined cyclesystem, using both gas and steam turbine offers significant improvement in overall system efficiency an.
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