首要由叶轮、泵体以及泵盖构成。
Mainly by the impellers, pump body and pump cover composition.
泵盖保证运转时噪音处于最低水平。
The cover of the pump guarantees a minimum noise level during operation.
拆下高压泵盖。
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。
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。
Under the condition of orthogonal experiment process parameters, we actually produced Die Casting pump cover .
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