单项选择题
A.wooden plug B.soft rubber plug C.two-piece soft patch D.mechanical means of closing
Owing to the greater girth of a ship amidships than at ...
单项选择题Owing to the greater girth of a ship amidships than at the ends，certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called（）.
A.drop strakes B.stealers C.throughs D.voids
One function of a bulwark is to（）.A.help keep the deck ...
单项选择题One function of a bulwark is to（）.
A.help keep the deck dry B.prevent stress concentrations on the stringer plate C.protect against twisting forces exerted on the frame of the vessel D.reinforce the side stringers
On a ship，the deck stringer is the outboardmost deck（）....
单项选择题On a ship，the deck stringer is the outboardmost deck（）.
A.plating B.beam C.stiffener D.stanchion
