Which the following factors is regarded as substandard ship ?
A.Substantial deterioration of the ship B.Insufficiency of operational proficiency C.Ship which happen accident of collision D.Insufficiency of manning正确答案ABD
Which the following factors is regarded as substandard ship ?
A.Substantial deterioration of the ship B.Insufficiency of operational proficiency C.Ship which happen accident of collision D.Insufficiency of manning正确答案ABD