A、著陸后我必須上船 B、著陸后我必須下船 C、擱淺后我必須棄船 D、擱淺后我必須修船
A、IHAVEPROBLEMSWITHCARGO. B、IHAVEPROBLEMSWITHMACHINERY. C、IHAVEPROBLEMSWITHNAVIGATION. D、IHAVEPROBLEMSWITHMASSDISEASE.