depth of beam

例句：

1. 1. The beam is too thin to support the weight of the roof.
   这个梁太薄，无法支撑屋顶的重量。
2. 2.The engineer calculated the depth of the beam before making any repairs.
   工程师在做出任何修理之前计算了梁的深度。
3. 3.The beam was reinforced with steel plates to increase its depth of strength.
   梁被加固了，增加了其强度的深度。