問題詳情

13.The volume displaced per cycle in the liquid end of a is constant, and is a function of theoutside diameter and stroke length of the liquid piston or plunger.
(A)diaphragm pump
(B)screw pump
(C)reciprocating pump
(D)gear pump

參考答案

答案:C
難度:適中0.571429
統計:A(10),B(11),C(48),D(9),E(0)

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