【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
【单选题】Text Senility refers to great losses of intellectual capacity that occurs in old age and is【C1】______with the wide- spread loss of nerve cells and the【C2】______of brain tissue. Senility is a great dec...