又一台新研制的柴油机上了试车台，与高速柴油机相比，它虽然是一个庞然大物，但转速已是中速偏低的了。无论加载或升速，已没有那种“惊心动魄”的气势了，甚至在机旁说话还可听见。环境换了，这是在工厂里进行的研制工作。强有力的生产手段支持，并有许多有运行经验的工人师 Another newly developed diesel engine on the test bed, compared with the high-speed diesel engine, although it is a monster, but the speed is low in the medium speed. No matter how loaded or up, there is no such “thrilling” momentum, even in the machine side can hear. Environment changed, this is carried out in the factory development work. Strong support for the means of production, and there are many workers who have operational experience