6.半反動式渦輪機,動葉列與定葉列因氣體膨脹所增加的動能分別Em及Ef,兩者間之關係為何?
(A).Em >Ef
(B).Em <Ef
(C).Em =Ef
(D).Em = 2Ef

答案:登入後查看
統計: A(0), B(0), C(2), D(0), E(0) #1143131