论文部分内容阅读
许多非煤产业都与煤炭主业存在相关性,又能够再造新的产业链或者进一步延伸煤炭产业链,进而形成多条、多向和构成循环的煤炭产业链。
Many non-coal industries are related to the main coal business, and they can recreate new industrial chains or further extend the coal industrial chain to form multiple, multi-directional and circular coal industrial chains.