求翻译：我国国内钢铁生产企业面临种种自身企业难以解决的问题，如产品进出口构不合理，铁矿石对外依存度大，企业机构不合理，高污染高耗能，产业集中度低等是什么意思？

China's domestic steel production enterprises are faced with the difficult problems of all sorts of their own enterprises, such as product import and export structure is unreasonable, the dependence on foreign iron ore, enterprise agencies unreasonable, high pollution and high energy-consuming indus

正在翻译，请等待...

Our country Domestic Steel and iron Production enterprise the question which solves with difficulty faced with all sorts of own enterprises, if the product import and export constructs not reasonably, the iron ore foreign degree of dependency is big, the enterprise organization is unreasonable, poll

Domestic steelmakers in China face their own enterprise difficult problems, product import and export structure is unreasonable, external dependence for iron ore, enterprises are not reasonable, high pollution, high energy, low industry concentration

正在翻译，请等待...