The movement of retractable roof makes the design of retractable roof structures very complex.

由于屋面可以移动，使得整个结构的设计与常规建筑相差很大，十分复杂。

youdao

The movement of retractable roof makes the design of retractable roof structures very complex.

由于屋面可以移动，使得整个结构的设计与常规建筑相差很大，十分复杂。

youdao