声束有效截面 effective cross—section of beam
举一反三
- 中国大学MOOC: A beam with rectangular cross section is subjected to pure bending. The normal stress distribution on the cross section should be
- The rotation angle of the cross section at the maximum deflection of the beam must be equal to zero. ( )
- The rotation angle of the cross section at the maximum deflection of the beam must be equal to zero. ( ) A: 正确 B: 错误
- 声束轴线 beam axis
- A beam with rectangular cross section is subjected to pure bending. The normal stress distribution on the cross section should be A: [img=223x234]1803277f2c06d7c.png[/img] B: [img=229x233]1803277f373c880.png[/img] C: [img=265x251]1803277f41bd72e.png[/img] D: [img=255x251]1803277f4db7030.png[/img]