The specification and development of heavy-duty diesel engine oil in Europe, quality guarantee systems of automobile engine in Europe and American were presented.

介绍了欧洲重负荷柴油机油的规格、欧洲和美国车用发动机油质量保证体系和欧美柴油机油规格的差别及原因。

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Since the sub was still on the surface when the dead crew was found, an examination of the diesel engine and related systems should indicate if this was the cause of the calamity.

由于发现牺牲船员时潜艇仍在水面，对柴油发动机和相关系统的检查应该可以指明它们是否为这次灾难的原因。

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During design of the layout on diesel engine, we performed one-dimensional flow calculation for turbocharger systems, optimized the valve timing and pre-selected the turbocharger.

在柴油机方案设计时，对涡轮增压系统进行了一维流动计算，优化了气门正时，并预选了增压器方案。采用已知的同类机型的放热率进行了缸内过程的计算。

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Cummins is leading global manufacturer of diesel and natural gas engines, engine-related component products, and electric power generation systems.

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