Based on analyzing a case of some engine ' s reversing system , the paper summarizes the reasons and countermeasures of similar troubles when arising in operation 摘要文章對某型主機換向系統(tǒng)所出現(xiàn)的故障實例進行了分析與探討,提出了發(fā)生此故障的深層次原因,為解決類似機型的換向系統(tǒng)故障尋求有效的解決措施。