本文对我校汽车电子控制实训室的柳微发动机,在实训过程中出现的两例蹊跷故障形成原因进行了分析,并就如何减少或杜绝此类故障提出了几点预防措施。实践证明,这些措施对减少实训室耗材和降低实训室成本有着实质性的意义。 In this paper, we analyzed the causes of two strange phenomena that occurred during the practical training of Liu Microengine in our laboratory, and put forward some preventive measures on how to reduce or eliminate such faults. Practice has proved that these measures to reduce the training room supplies and reduce the cost of training room has a substantive significance.