4.下列船位的精確度,最可信可靠者為何?
(A)Fix
(B)R.Fix
(C)EP
(D)DR
答案:登入後查看
統計: A(15), B(1), C(2), D(0), E(0) #2401280
統計: A(15), B(1), C(2), D(0), E(0) #2401280