发动机正常工作时,它的声音总是有节奏和连续不断的,若是某一个部件配合处有故障,往往伴有异常的响声。通过声音判断故障要靠经验的积累或传授,现介绍几例当部件出现故障时声音的变化特征。 When the engine is working normally, its sound is always rhythmic and continuous. If there is a malfunction at the coordination of a certain part, it is often accompanied by an abnormal sound. Judgment by sound depends on the accumulation of experience or teaching, are introduced when the failure of some parts of the sound characteristics of the change.