图书介绍
目 录Lesson One Preparing for sea备航Lesson Two Pilotage引航业务Lesson Three Tug Assistance拖带协助Lesson Four Helicopter Operations直升机操作Lesson Five In Icy Water在有冰的水域Lesson Six Acquiring and Providing Informatiofi on VHF 在甚高频上询问与提供信息 ……