单项选择题
A.Absorption B.Osmosis C.Evaporation D.Oxidation
Tonnage openings must be closed by means of（）.A.Press b...
单项选择题Tonnage openings must be closed by means of（）.
A.Press board B.Steel hatch boards C.Steel plates D.Wooden hatch boards
The Vessel’s cargo holds are properly fitted with（）in w...
单项选择题The Vessel’s cargo holds are properly fitted with（）in way of hatches.
A.Floor-ceiling B.Battens C.Covers D.Hard-wood boards
The strake on each side of the keel is called a（）.A.She...
单项选择题The strake on each side of the keel is called a（）.
A.Sheer strake B.Gatewood strake C.Insulation strake D.Garboard strake
