The file hard (60RC) high strength aluminum alloy lobe tube provides a smooth, corrosion-free abrasion-resistant sealing surface.
文件的硬（60RC）高强度铝合金叶管提供了一个平滑，无腐蚀耐磨密封面。
2
The effect of heating temperature on abrasion resistance of high alloy wear-resistant cast iron was studied.
研究了加热温度对高合金耐磨铸铁耐磨性的影响。
3
Wear loss of specimens for these two steels during a certain time show that low carbon high alloy steel is much more resistant to corrosive impact abrasion than high manganese steel.