combined cycle power generating 基本例句 联合循环发电 The paper introduces the technical features of heat and poer coneneration and combined cycle power generation systems using natural gas as fuel.介绍了天然气做燃料的热电联产和联合循环发电系统的技术特征,根据总能系统原理梯级利用天然气燃料所产生的能量,达到较高的综合热效率。