摘要
论述了确定港作拖轮经济寿命周期的重要性,提出使用六种模型确定经济使用年限的方法,并以此计算出两种船型港作拖轮的最佳经济使用年限.本文所论述内容对港作船舶现代化管理具有重要意义.
In this paper,the importance of economic life cycle of tug is discussed. The six kind models
are advenced to determine tug' s economic usage time-limit. The best economic lives of two kind
tug,2352kW tug and 1227. 45kW tug,are determined. The content discussed in this paper is of
great significance to the modern management to ships.
