高手帮忙翻译一下这段摘要吧（请不要用翻译软件）

来源：百度知道 编辑：UC知道 时间：2024/09/21 19:36:57
建筑产品的优劣影响企业的信誉，既而影响企业承揽工程任务，最终影响企业的效益；而建筑产品的直接成本—人工费、材料费、机械使用费和项目间接费全部发生在在项目部，这些费用约占企业总成本的90%以上，因此项目部直接成本的高低又决定了企业的成本水平。若企业在以工程结算收入为主要的收入来源时，可以在一定程度上认为，项目部所施工工程的工期、质量决定着企业的信誉，项目部的盈亏又决定着企业的盈亏，而对工程项目的成本进行有效的管理，是建筑企业获得利润的保证，直接影响企业的经济效益。如何加强工程项目成本管理，提高企业效益，无论是理论界还是在工程实践中都起着至关重要的作用。

关键词：工程项目；成本管理；经济效益

The pros and cons of building products affect the credibility of enterprises, Jier affect enterprise contract engineering tasks, the ultimate impact on the effectiveness of enterprises, and building products direct costs - labor costs, the cost of materials, machinery and projects for the use of all indirect costs of the project in the Department, These enterprises cost about 90 percent of the total cost above, the Department projects the level of direct costs also decided the cost of the enterprise level. If the settlement enterprise in order to project revenue as the main source of income, can to some extent that the project by the Ministry of Construction of the project period, is determined by the quality of the credibility of enterprises and projects of the Department of profit and loss and profit and loss is determined by enterprises, and the project The project cost effective management of construction enterprises is the profit that directly affect the economic efficiency of