stretcher beam

例句：

1. 1.The engineer used a stretcher beam to support the roof.
   工程师使用一根支架梁来支撑屋顶。
2. 2.The construction crew had to move the stretcher beam to make room for the new addition.
   施工队伍不得不移动支架梁，以便为新增加的部分腾出空间。
3. 3.The beam was too weak to hold the weight of the heavy equipment.
   这个梁太弱了，无法承受重型设备的重压。