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
单项选择题 On a ship，the deck stringer is the outboardmost deck（）.
单项选择题 In vessel construction，the garboard strake is（）.
单项选择题 In vessel construction，a greater number of watertight bulkheads results in（）.
