试验结果表明，催化转化器的位置距排气口近可提高排气温度，大大提高催化转化器的转化效率；推迟点火提前角和提高怠速转速均有利于使催化转化器进入快速起燃状态。
Experimental results show that the position of the converter nearer to the exhaust port, the retard ignition timing and the higher idle speed can promote the catalytic converter light-off.
讨论了流速分布均匀性对催化转化器转化效率和载体寿命的影响；压力损失对发动机动力性、经济性的影响。
The effects of the velocity distribution uniformity on conversion efficiency and durability and pressure loss on engine power and fuel economy have been discussed.
讨论了流速分布均匀性对催化转化器转化效率和载体寿命的影响；压力损失对发动机动力性、经济性的影响。
The effects of the velocity distribution uniformity on conversion efficiency and durability and pressure loss on engine power and fuel economy have been discussed.
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