... effective power 有效功率；水力功率 effective pressure head 有效压头 effective pressure 有效压力 ...
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It is suggested to apply the principle of effective gravity and equivalent pressure head to calculate the rotational speed and ingate area in the processing of grinding ball by centrifugal casting.
在离心铸球工艺中，可应用有效重度和等效压头原理计算转速和内浇口断面积。
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