問題詳情
40.In a steam turbine engine, the＿＿＿＿ is the energy required to spin the turbine backwards in the atmosphere of exhaust steam.
(A)kinetic energy
(B)blade thermal energy
(C)pressure loss
(D) astern turbine loss
參考答案
答案：D
難度：困難0.333333
統計：A(0),B(0),C(0),D(1),E(0)