帮忙翻译成英语啊 谢谢啊

Project management as an important theoretical basis in railway construction companies use. But now the railway construction companies in project management there are still many problems, particularly project cost management issues, which the existence of serious problems in railway construction in the development of enterprises. The purpose of this study to the Beijing-Tianjin Railway as an example of project management theory in railway construction companies and the application of existing problems discussed and analysed. This paper introduced the first major study on the background and significance of the research methods used by a note, and the Institute of the theoretical background, the theoretical study of the dynamic nature of a review and outlook. Second, in the second, third and fourth parts of the theory from the Review, the Beijing-Tianjin railway construction project cost analysis and a budget of the Beijing-Tianjin railway construction project cost management key to s