問題詳情
19. The " " means a fictive line displayed on the radar screen separating the fairway forinbound and outbound vessels so that they can safely pass each other.
(A) Segregated line
(B) Separated line
(C) Lateral line
(D) Reference line
參考答案
答案：D
難度：非常困難0
統計：A(1),B(0),C(0),D(0),E(0)