In the multifunctional hall the central column and beam are transformed into a "tree" element.

多功能厅的中心柱和梁变成一棵“树”的元素。

youdao

In the multifunctional hall the central column and beam are transformed into a "tree" element.

多功能厅的中心柱和梁变成一棵“树”的元素。

youdao