求翻译：近年来，各大煤企按照多元化经营的思想，全力打造煤－焦－化、煤－电－路－港、煤－电－化、煤－电－铝等业务板块，延伸产业链条。多数企业坚持相关多元发展，实现企业往下游产业链延伸，通过资本的组合、多元化布局，综合利用煤炭资源，有效发挥企业的核心优势。是什么意思？

In recent years, the major coal enterprises in accordance with diversified ideas, to build coal - coke - of coal - electricity - Road - Hong Kong, coal - electricity - of coal - electricity - aluminum and other business segments, extend the industrial chain. Most enterprises adhere to related divers

In recent years, the largest coal enterprises in accordance with diversified business ideas and makes every effort to build coal - coal, coke - globalization - Hong Kong - electricity - road, coal - coal-fired electricity - globalization, business-electric-aluminum plate and, by extension, such as i

In recent years, each big coal business according to the multiplex management thought, with all one's strength made the coal - burnt -, the coal - electricity - road - port, the coal - electricity - service tectonic plates and so on, coal - electricity - aluminum, extended the industrial chain link.

In recent years, major diversification of coal enterprises in accordance with the thought, to build coal-coke, coal, coal-electricity-roads-Hong Kong-Electric, coal-power-of-business segments such as aluminum, extend the industrial chain. Most enterprises adhere to diversified development, the reali