He picked up a ball-peen hammer, leaned on the passenger-side fender, and tapped twice on the EGR valve.
他拿起一个榔头，在右侧挡泥板前弯下身，轻轻敲了两下废气循环阀。
Check for signs of leakage or cracked surfaces at both ends of tube, exhaust manifold and EGR valve.
检查两个管的末端，排气歧管和EGR阀是否有泄露或表面有裂痕。
A check valve exhaust gas recirculation (EGR) system, which makes effective use of intake and exhaust pressure waves, was proposed for turbocharged diesel engines.
提出了采用单向阀利用进排气压力波动的废气再循环(EGR)系统。
Our product was certified as a national key new product, and that filled the gaps in homemade EGR valve.
产品被评为国家重点新产品，填补了我国EGR阀需要进口方面的空白。
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。
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。
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