视力检查扩散叶片的侵蚀。
文章还介绍了为预防汽轮机喷嘴和动叶片免受固体颗粒侵蚀所采用的表面硬化处理技术，包括等离子喷涂层和扩散渗层在内；
The paper also briefs the nozzle or moving blade surface hardening treatment technology, including plasma spraying and diffusion layer for preventing the nozzle and moving blade from SPE.
重点讨论了添加防腐剂、采用前掠低压静叶片、新型防侵蚀自带围带结构的工作机理和应用。
It emphases discussing the mechanism and application of preservative adding, forward curved vane and new erosion resistant structure of integrated shroud.
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