structural member

名词 structural member:

1. support that is a constituent part of any structure or building

1. 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
2. Relating to or being a structural member, especially of concrete, that has been cast into form before being transported to its site of installation.
   预浇的，预铸的与建筑结构有关的或处于其中的(尤指水泥), 在运到安装地点以前就已浇铸成形的