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配气机构零件和燃油泵传动装置零件的可靠性在很大程度上决定了气缸一活塞组部件的工作状况，也决定了内燃机车柴油机的经济性。凸轮轴凸轮对的严重磨损会引起分配相角和柴油机气缸的喷油提前角移位，也会增强连杆一活塞组工作的烈度性。这样就会引起燃料燃烧不充分、冒黑烟、
The reliability of the parts of the gas distribution mechanism and the components of the fuel pump transmission largely determines the working condition of the cylinder-piston assembly and also determines the economy of the diesel locomotive diesel engine. Serious wear and tear on the camshaft cam pair can cause misalignment of the injection phase angle and injection timing of the diesel engine cylinder and also increase the severity of the work of the connecting rod-piston assembly. This will lead to inadequate combustion of fuel, black smoke,