【摘要】 本文综合了各种水轮机空蚀和泥沙磨损理论进行分析，并通过试验室和真机试验，用扫描电子显微镜观察了磨蚀破坏的微观形貌，掌握了微观破坏过程，提出了磨蚀破坏的新观点。更多还原

【Abstract】 In this paper, it is synthesized that all kinds of cavitation and abrasion theory .Tests are carried out not only in laboratory but also in the power station.The micro-appearance of the testing Samples is analyzed by means of soanning elecbon microscope and the micro-course is found out. Some new points about abra sion and cavitation theory are presented.更多还原