压力损失使发动机的排气背压升高，引起充气效率下降；
The pressure loss caused the increase in exhaust back pressure, leading to the decrease in charge efficiency.
捕集器压力损失标志了捕集器纤维对流体流动的阻碍的程度，它导致柴油机排气背压上升。
The flow pressure drop through the trap indicates an increase of backpressure of the exhaust system.
压力损失使发动机的排气背压升高 ，引起充气效率下降 ；
The pressure loss caused the increase in exhaust back pressure, leading tot…
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