As a method of spanning space, the arch can support greater weight than a horizontal beam.

作为一种跨越空间的方法，拱能够承受比水平梁更大的重量。

youdao

As a method of spanning space, the arch can support greater weight than a horizontal beam.

作为一种跨越空间的方法，拱能够承受比水平梁更大的重量。

youdao