Using various cases , combing theory with the actual conditions of dpc and some experiences and lessons came from the construction project management , the article expounded systemically the management pattern , concept and detail operation of dpc project construction . the administrative structure must be suited to concrete conditions of a project , ideas innovation of the project process management is necessary 因此运用所学的理论知识，并结合多年来在石化建设项目管理中所总结的一些经验和教训，运用理论联系实际的方法，通过案例系统地研究大连石化分公司工程建设管理模式及理念，并在以后的工程实践中加以推广应用，在实践中求得发展与创新，探索出一条适合炼厂工程建设的新思路。
Bhp billiton base metals is one of the world s top three producers of copper and a top five producer of silver , lead and zinc . we supply high - quality base metal concentrates to european , asian and south american custom smelters , and copper cathodes ( metal ) to copper wire manufacturers and brass mills 基本金属必和必拓是世界前三大铜生产商和世界前五大银、沿、锌生产商之一。必和必拓公司向欧洲、亚洲和南美洲治炼厂提供高质量的金属精矿，并向黄铜和铜线生产商提供高质量的阴极铜板。
