问题
单项选择题
（）on still water indictes how loading weight distribution affects on longitudinal strength.
A.Bending moment
B.local strength
C.shear force
D.displacement
答案
参考答案：A
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（）on still water indictes how loading weight distribution affects on longitudinal strength.
A.Bending moment
B.local strength
C.shear force
D.displacement
参考答案：A