This paper describes the research how to reduce the exhaust emissions of B series diesel engine of Dongfeng Comins.
本文主要对东风康明斯B系列柴油机如何降低发动机尾气排放进行了研究。
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Neil Comins (Astronomer): They probably would have covered hundreds of miles and then they would come back 13)scouring the land, taking debris from the surface of the Earth into the oceans.