氣渦輪機 汽輪機 複循環電廠 氣機進氣溫度 化學計量燃燒 熱效率 低熱值 標準常溫常壓 氣體性質表 Gas turbine GT Steam turbine ST Combined cycle power plant CCPP Turbine inlet temperature TIT Stoichiometric combustion Thermal efficiency Lower heating value LHV Standard ambient temperature and pressure SATP Gas property tables