26.When finish with wheel, no more steering or power is required, what abbreviation was used in the log book？
(A)R. S. E
(B)F. W. E)
(C)R. F. A
(D)P. O. B

答案：登入後查看
統計： A(6), B(48), C(8), D(6), E(0) #1244846