port main boiler是什么意思

用法例句

The operation of a marine main boiler is characterized by a very high frequency of load changes, and often by a sizable margin at that.

舰船主锅炉运行时负荷变化频繁 ,且变化幅度大。

This paper dwells on the matching of a power plant and its main boiler as well as their interrelationship.

论述动力装置与主锅炉的匹配及其相互关系，可作为舰船蒸汽动力装置和舰船主锅炉的设计参考资料。

From a total of ten aspects,including reliability,economy,weight and dimensions as well as maneuvrability,listed are the major technical requirements of a large sized power plant to a naval main boiler.

从可靠性、重量尺寸、经济性、机动性等十个方面介绍大功率动力装置对舰船主锅炉的技术要求。