| 摘要 |
The system has a feed back pipe between the induction and exhaust pipes of each cylinder. Shutoff valves (6a,6b,6c,6d) are fitted at the point (12) where the feed back pipes (3a,3b,3c,3d) enter the induction ducts (8a,8b,8c,8d) to close off the flow of exhaust gas under normal operating conditions |
