问题
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Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?
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The function of a centrifugal pump double volute casing is to _____.
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Increasing the speed of a centrifugal pump will result in an increase in its capacityAnoth
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The text is mainly about ______.A.the advantage of having cosmetic surgeryB.what kind of p
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What is a function of the wearing rings used in most centrifugal pumps?A.Absorb erosion of
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The discharge head of a centrifugal pump will vary directly with the _____.A.change in imp