中国大学MOOC: 图示梁BC段的弯矩方程和x 的范围正确的是( )。http://edu-image.nosdn.127.net/3004B37D20CD9A8313C083236246D1E5.png?imageView&thumbnail=890x0&quality=100
举一反三
- 中国大学MOOC: 在图中,BC段内( )。http://edu-image.nosdn.127.net/0ACCF945AAB395819D2F1B06DCF6EE62.png?imageView&thumbnail=890x0&quality=100
- 图示简支梁,弯矩等于零的x的值为( )。(A为坐标原点)http://edu-image.nosdn.127.net/90E799634A9127A238FCA19204D50167.png?imageView&thumbnail=890x0&quality=100
- 图示简支梁,弯矩等于零的x的值为( )。(A为坐标原点)http://edu-image.nosdn.127.net/A21EF98B28767FBF47A708D0D401F092.PNG?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 图示梁AB在所示荷载作用下的M图面积为http://edu-image.nosdn.127.net/6437338CAA255887D4940E325FBFAED0.JPG?imageView&thumbnail=890x0&quality=100。http://edu-image.nosdn.127.net/4F38A3760A4FA30E717EF9E0996A6797.JPG?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 若第9题中当电路中总电压http://edu-image.nosdn.127.net/45D53DF610EBF196EBE5238589C91ABF.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/8232D55E2C1346F746EFBB0780167F51.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/A2CC3366BF7376F66D8EFFEB40B97149.png?imageView&thumbnail=890x0&quality=100,以下叙述正确的是