If, for example, the concentration of nitrogen oxides discharged from the engine is controlled by {TAIL ~ exhaust gas recirculation} , then the change in the exhaust gas recirculation rate will cause {HEAD ~ the intake air temperature} to change, thus causing the filter temperature to change 
If , for example , the concentration of nitrogen oxides discharged from the engine is controlled by { TAIL ~ exhaust gas recirculation } , then the change in the exhaust gas recirculation rate will cause { HEAD ~ the intake air temperature } to change , thus causing the filter temperature to change
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH