求翻译：摘要：我国大型汽轮发电机近年来发生的性质严重、影响较大且在一定程度上带有普遮性的运行故降和事故进行分析。结合现场工作实践，提出了最适用和最有效的手段和预防措施。是什么意思？

Abstract: China's large turbo occurred in recent years, a serious nature, affecting large and to some extent, with the S & P cover sex run so the drop and accident analysis. Combined with field work practice, the most suitable and the most effective means of prevention measures.

Summary: My large turbo-generator which have occurred in recent years, the nature and have a greater impact in a certain degree, with the light of the drop and run the accident analysis. Combined with on-site work practices, and has the most applicable and the most effective means of and preventive