After riveting is completed,the joints on
题型:单项选择题
问题:
After riveting is completed,the joints on the shell of a vessel are generally made watertight by().
A.faying
B.caulking
C.felt or canvas packing
D.red lead
After riveting is completed,the joints on the shell of a vessel are generally made watertight by().
A.faying
B.caulking
C.felt or canvas packing
D.red lead