单项选择题
A.Towing operations B.Rigid coupled towing C.Close coupled towing D.Hard coupled towing
A MARK OR POSITION AT WHICH A VESSEL IS REQUIRED TO REP...
单项选择题A MARK OR POSITION AT WHICH A VESSEL IS REQUIRED TO REPORT TO ESTABLISH ITS POSITION defines().
A.VTS point B.Way point C.Reference point D.Establishment point
()will the discharging operations take?A.How longB.How ...
单项选择题()will the discharging operations take?
A.How long B.How length C.How many times D.How many shift
()will reduce the visibility.A.dustB.sea waterC.land sa...
单项选择题()will reduce the visibility.
A.dust B.sea water C.land sand D.wind