In order to increase the wear resistance of the cylinder liners, the cylinder liners were treated by using QPQ salt - bath process.
为了提高硼铸铁缸套的耐磨性和寿命，对硼铸铁缸套进行Q PQ盐浴复合表面处理。
The process, features, performance of infiltrated layer and its application to rock drill of QPQ Combined Salt Bath Treatment Technology are described in the article.
文章介绍了Q PQ盐浴复合处理技术的工艺方法、特点、渗层性能及在凿岩机上的应用情况。
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