It is necessary that the shaft or tube have a () cross section and it is made of () material which has () behavior.
A.circular; homogeneous; linear-elastic
B.circular; anisotropic; linear-elastic
C.circular; isotropic; linear-elastic
D.circular; homogeneous; linear
- · 有3位网友选择 D,占比37.5%
- · 有3位网友选择 B,占比37.5%
- · 有1位网友选择 A,占比12.5%
- · 有1位网友选择 C,占比12.5%