【单选题】Increasing the speed of a centrifugal pump will result in an increase in its capacity in its capacityAnother means of increasing the capacity pump is to increase the .
A.
diameter of the discharge piping, with all other factors remaining the same
B.
diameter of the suction piping, with all other factors remaining the same
C.
width of the impeller only
D.
diameter of the impeller
【多选题】在以下哪些方面,中医学取得了 可喜的成绩?
【单选题】线声源声强度是与声源的()成反比,即所谓反比律
【单选题】What I seek to accomplish is simply to serve with my ______ capacity truth and justice at the risk of pleasing no one.