问题
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Which of the following statements represents the advantage of rotary pumps as compared to
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The rotary motion of a diesel engine crankshaft is obtained from the up and down motion of
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Increasing the speed of a centrifugal pump will result in an increase in its capacityAnoth
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The speed at which a storm centre moves is the ().A.speed of movementB.speed of advanceC.s
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Which of the following may serve as the best title of the passage?A.Increasing Financial L
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Who is most probably in favor of increasing the speed limit?A.Senior citizens.B.Profession