旧设备的经营决策（三）马永新（中国土木工程公司）【编者按】在机械化程度日益增长的现代化施工中，机械费占整个工程造价的比例越来越高，因此，机械管理的工作显得非常重要。然而，在管理工作中，我国公司的管理者对旧设备的管理大多凭借经验和粗略的分析，缺乏系统的... Operational Decisions for Old Equipment (III) Ma Yongxin (China Civil Engineering Company) [Editor’s note] In the modernization construction where the degree of mechanization is increasing, the proportion of mechanical expenses to the total construction cost is getting higher and higher. Therefore, the work of mechanical management is very high. important. However, in the management work, the managers of Chinese companies mostly rely on experience and rough analysis in the management of old equipment, lacking systematic...