阿摩線上測驗
30. What are the speeds of the rotors that shall be carefully calculated in order to avoid the
resonance at normal running speeds？
(A) Exciting speeds
(B) Virtual speeds
(C) Critical speeds
(D) Damping speeds
答案：登入後查看
統計： A(112), B(106), C(614), D(81), E(0) #3147395
統計： A(112), B(106), C(614), D(81), E(0) #3147395
