金属材料表面状态的差异，经喷漆涂装其涂层的防腐抗蚀保护效果有明显的不同。
Differences of surface state of metal materials, the corrosion paint coating the coating anticorrosion protection for different effect.
同现有的牺牲层材料相比，光致抗蚀剂作牺牲层材料具有一些优越性。
Comparing with all the existing sacrificial layer materials, the photoresist being used as sacrificial layers has some advantages.
本文简要地介绍了应用离子束注入技术改善水力机械金属材料的抗空蚀能力。
To improve the cavitation resistance of metal materials for hydraulic machinery the use of an ion - beam implantation technique is briefly presented in this paper.
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