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1 前言三菱重工公司自1955年研制成功首台国产大型船用低速二冲程UE型柴油机起,先后研制成功了L系列机、LA型机、LS型机和UEC75LSⅡ型机。在此基础上,为进一步满足超级油轮发展需要,从减少缸数、提高单缸功率、便于维修着手,又研制成功了更大缸径的UEC85LSⅡ型机。本文就该机的主要特征和发展方向简述如下。 2 UEC85LSⅡ型机特点
1 Introduction Mitsubishi Heavy Industries successfully developed the first domestic large-scale low-speed two-stroke marine diesel engine for marine applications since 1955. The L series, the LA type, the LS type and the UEC75LS type Ⅱ have been successfully developed. On this basis, in order to further meet the needs of the development of the super-tankers, the UEC85LS Ⅱ was successfully developed from reducing the number of cylinders, increasing the power of a single cylinder, and facilitating the maintenance. This article on the main features of the aircraft and the direction of development is as follows. 2 UEC85LS Ⅱ machine features