A horizontal or transverse beam, especially a structural member resting on two supports.
A horizontal or transverse beam, especially a structural member resting on two supports.
横梁，顶梁水平的或横向的梁，尤指架在两个支柱上的建筑构件
A horizontal or transverse beam, especially a structural member resting on two supports.
横梁，顶梁水平的或横向的梁，尤指架在两个支柱上的建筑构件