本文叙述了新发展的G300型四冲程中速柴油机的主要结构及设计特点,并简述了试验研究工作,特别是在单缸试验机上进行的模拟增压试验。 This paper describes the main structure and design features of the newly developed G300 four-stroke medium-speed diesel engine, and briefly describes the experimental research, especially the simulation of supercharged pressure test on a single cylinder testing machine.