Increasingthetotalpowerofacentrifugalpumpwillmostlikelycausethedevelopedheadto_.增大离心泵的总功率最有可能导致泵压头___.()Adecrease下降Bincrease上升Cremainconstant不变Dtoolittleinformationtodetermine无法判断Enoneoftherest其余都不对