单项选择题

以下哪项( )不利于提升并联式产业系统的能源效率 Which of the following is not helpful to improving the industrial energy efficiency of industrial system with parallel industrial sectors( )

A、改善每一组分的能源效率 To improve the energy efficiency of each component sector
B、提升具有较低能源效率的行业的能源效率 To improve the energy efficiency of industrial sectors with lower energy efficiency
C、降低具有较低能源效率的行业的能源效率 To reduce the energy efficiency of industrial sectors with lower energy efficiency
D、加大具有较高能源效率的行业在产业中的经济占比 To increase the share of sector with higher energy efficiency in the total industrial economy
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