通过对轴承套圈关键工序的分析，探讨了延缓滚道失效的原理，同时提出了几种在工艺过程中解决问题的方法。
By analyzing the key processes of bearing ring, the principle of delaying raceway failure is discussed, at the same time some methods of solving problem on technology is put forward.
多变异分析是一种用于分析工序过程质量特征值变异规律的重要方法。
Multi vari analysis is an improvement tool for analyzing process variation patterns.
对金属铬生产过程中影响化工工序中间产品氢氧化铬回收率的因素进行了分析。
The factors are analysed affecting chromic hydroxide recovery, between product in chromium metal production in chemical engineering process.
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