| Ocean shipping is an important part of transportation, and can' t be replaced by other type especially for foreign trade. As an important part of modern operation management of shipping company, it is very crucial to make decision about maintenance and repair of ship and it will have direct influence on the operation efficiency of shipping company. On the basis of looking back the history of the ship maintenance industry, this article make an detailed introduction to the ship maintenance theory which includes basic theory, applying technology, guidance principle, concept, policy, system. As an scientific and practical equipment management system, CWBT describes itself from five aspects: basic theory, maintenance policy, content, operation management mode.As we know, with the continual usage, ship value translates itself into its product, in other words, ship value decreases with the time going, this process is called ship depreciation, which is very normal. Additionally, ship damage will occur during the operation period, so repair is needed, ship repair will cost a lot, shipping company will lost the promising profit. In order to make the maximum profit, how to decide reasonable repair cycle and how to spare the repair cost. This article will make models to discuss those problems. |