Under the condition of orthogonal experiment process parameters, we actually produced Die Casting pump cover .
并选用以上正交试验的工艺参数，对泵盖进行实际压铸生产。
Therefore, steam injection parameters for Nine-7 Block were analyzed and optimized using orthogonal experiment design.
为此，利用正交试验设计方法对九7区注汽工艺参数进行了敏感性分析和优化。
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