In order to build the DPF pressure drop model based on air intake flow, DPF bed temperature, soot and fuel charge, the paper has carried out a series of tests, collected a mass of data.
为了建立基于进气流量、D PF床温、碳烟以及喷油量的DPF压降模型，论文进行了一系列的试验，采集了大量数据。
The petrol engine has, due to its throttled air intake, a large range of variation in exhaust mass flow compared to the Diesel engine.
由于进气口的限流，相比柴油发动机，汽油发动机的排气流量有大范围的变化。
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