释义 |
brow post cross beam, crossbeam1. A large beam between two walls. 2. A girder that holds the sides of a building together. 3. Any beam that crosses another. 4. A strut between the walings on opposite sides of an excavation. 5. A beam which runs transversely to the center line of a structure. 6. Any transverse beam in a structure, such as a joist. |