单选题Reduced capacity, accompanied by vibration and noise at the suction of a centrifugal pump is a result of ().AcavitationBwater hammerCfluid frictionDsteam knock

单选题
Reduced capacity, accompanied by vibration and noise at the suction of a centrifugal pump is a result of ().
A

cavitation

B

water hammer

C

fluid friction

D

steam knock


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英译汉:vibration

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名词解释题英译汉:vibration

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