| 1. | Leaving the rated load , especially with low load and free running operation , ihe efficiency of turbocharger and ratio boost pressure decrease , leading to the shortage of air in cylinders and worsening of combustion , and the economic , power and exhaust performances deteriorate
当偏离标定点，尤其在低负荷和空转工况工作时，增压器效率降低，增压压力明显下降，导致气缸供气不足，缸内燃烧不良，柴油机的经济性能、动力性能和排放性能将严重恶化。 |
