A.2 B.1 C.1/2 D.1/4
A.噴嘴臨界流量只與噴嘴初參數(shù)有關 B.噴嘴臨界流量只與噴嘴終參數(shù)有關 C.噴嘴臨界流量與噴嘴壓力比有關 D.噴嘴臨界流量既與噴嘴初參數(shù)有關,也與噴嘴終參數(shù)有關
A.8m/s B.122m/s C.161m/s D.255m/s