7-5  能源加工转换效率
Efficiency of Energy Conversion
指     标	Item	2009	2010	2011
总效率(％)	Total Efficiency (%)	70.32	71.77	75.47
火力发电	Thermal Power	37.57	38.41	38.63
供    热	Heating	71.67	78.12	76.71
洗    煤	Separation Coal	81.97	90.64	95.37
炼    焦	Coke Making	83.46	82.98	86.69
炼    油	Oil Refining	93.30	93.81	95.55