shape beam造句怎么写

4、The new-type double layers wheel shape beam strings prestressed steel roof truss was used in Guangzhou Nansha Gymnasium.

2、Calculation method of kinematic parameters for the unusual shape beam pumping unit.

1、FEM analysis on behavior of unstiffened welded steel moment connections between box-shape column and H-shape beam

3、The roof of the exhibition center is a cable tensioned box steel shape beam structure, and the roof of the reception hall and the conference center are I shape steel beam structures.