beam block

例句：

1. 1. The beam block is the main support for the roof.
   梁块是屋顶的主要支撑。
2. 2. The engineer used a beam block to reinforce the wall.
   工程师用梁块加固了墙壁。
3. 3. The beam block was designed to withstand heavy loads.
   梁块设计用来承受重载。