The features and the corrosion stability of common stainless steel for PTA devices were introduced, and as was the material development.
介绍了PTA装置中常用不锈钢材料的特点和耐腐蚀性能，以及用材进展情况。
The powder mixed dielectric mirror EDM not only can improve the machined surface roughness but also the abradability and corrosion stability.
混粉电火花镜面加工不但能改善加工表面粗糙度，且能提高加工表面的耐磨性和耐蚀性。
It is concluded that active sulfur compounds may improve the oil's EP property but harm inhibition of copper corrosion, antirust property and anti-oxidation stability.
试验表明：活性硫改善了齿轮油的极压性，对抑制铜腐蚀性、防锈性能和抗氧化性能均有不利的影响。
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