| 摘要 |
When an engine is in transitional operation, combustion is carried out by spray guide method. Further, when catalyst temperature T is high, namely, equal to or higher than a specified maximum temperature T 1 , stratified charge combustion by spray guide method is carried out, and when the catalyst temperature T is low, namely, equal to or lower than a specified minimum temperature T 2 , stratified charge combustion by wall guide method is carried out.
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