单项选择题
A.S B.T C.W D.F
A horizontal the 450mm long and 25 mm wide cuts through...
单项选择题A horizontal the 450mm long and 25 mm wide cuts through the loadline disc.It is called the（）.
A.the deck like B.plimssoll dise C.plimssoll line D.summer load line
Vertically below the deckline is a circle whose outside...
单项选择题Vertically below the deckline is a circle whose outside diameter is 300mm.It is called the（）.
A.the deck line B.Plimsoll disc C.Plimsoll line D.summer load line
Right at the top is（）It is 300 mm long and 25 mm wide w...
单项选择题Right at the top is（）It is 300 mm long and 25 mm wide with its upper edgs in line with the uppermost continuous watertight deck.
A.the deck line B.Plimsoll disc C.Plimsoll line D.sunmmer load line
