Schemes of variable compression ratio (VCR), variable exhaust gas recirculation (EGR), variable exhaust valve timing, and EGR with stratification by tumble charge flow are recommended.
推荐可变压缩比（VCR）方案、可变废气再循环率（EGR）方案、可变排气门关闭时刻方案，以及废气再循环滚流分层充气方案等。
Structural features and oil? Gas reservoir forming rules of Tangzhuang area are analyzed using 3d seismic data combined with geologic stratification of the adjacent areas.
运用三维地震资料，结合临区地质分层，分析了唐庄地区的构造面貌和油气成藏规律。
应用推荐