求翻译：虽然近几年第二产业的能源效率提升较快，但是工业部门仍是我国国民经济各部门中效率最低的部门，因此第二产业尤其是工业部门能源效率的改进对我国能源效率的提升有较大作用。是什么意思？

Although the secondary industry in recent years, energy efficiency and rapid, but China's industrial sector remains the least efficient sectors of the national economy's sectors, the second industry, especially the industrial sector energy efficiency improvements to enhance energy efficiency in Chin

In the past several years the first 2 industrial energy efficiency in the industrial sector upgrade quickly, but it is still my various sectors of the national economy, and thus the lowest efficiency in the first 2 industries, particularly energy efficiency improvements in the industrial sector of o

Although the second industrial energy efficiency promotion is in recent years quick, but the industry sector still was in Our country Various branches and sectors of a national economy the efficiency lowest department, therefore the second industry industry sector energy efficiency improvement has i

Although in recent years the second industry energy efficiency promotion of fast, but industrial sectors in China's national economic sectors is still the least efficient sector, secondary industry particularly in the industrial sector energy efficiency improvement of a larger role in promotion of e

Although in recent years the second industry energy efficiency promotion of fast, but industrial sectors in China's national economic sectors is still the least efficient sector, secondary industry particularly in the industrial sector energy efficiency improvement of a larger role in promotion of e