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汽车发动机曲轴的扭曲变形会影响发动机的配气正时和点火正时(汽油机)或喷油正时(柴油机),导致发动机的动力性和经济性下降,以及汽车的排放污染物超标。
Automobile engine crankshaft distortion can affect the engine timing and ignition timing (gasoline engine) or fuel injection timing (diesel engine), resulting in decreased engine power and economy, as well as automotive emissions pollutants exceeded.