wall girder造句

• At last , with the stiffness method , the effect of diaphragm density on restraining the distortion of thin - walled bar is analyzed . with different load cases of uniformly load and concentrated load and different boundary conditions of two fixed ends and two simply supported ends and cantilever , the distortion and torsion of the same rectangle thin - walled girder is examined
  在均布和集中两种反对称荷载情况下，按两端固定、两端简支和悬臂三种不同的支承情况，采用刚度法对同一矩形截面薄壁杆件的畸变和刚性扭转分别进行分析。