阿摩線上測驗
10. Please refer to the attached sextant figure, the part that marked 「C」is:
(A) Horizon glass
(B) Horizon shade glass
(C) Index mirror
(D) Index shade glasses
答案：登入後查看
統計： A(461), B(104), C(118), D(52), E(0) #2929013
統計： A(461), B(104), C(118), D(52), E(0) #2929013
