One function of a bulwark is to______.
A.help keep the deck dry
B.prevent stress concentrations on the stringerplate
C.protect against twisting forces exerted on the frame of the vessel
D.reinforce the side stringers
正确答案是A
One function of a bulwark is to______.
A.help keep the deck dry
B.prevent stress concentrations on the stringerplate
C.protect against twisting forces exerted on the frame of the vessel
D.reinforce the side stringers
正确答案是A