point load lumped load

例句：

1. 1. The engineer calculated the point load on the bridge to ensure its stability.
   工程师计算了桥梁的集中荷载，以确保其稳定性。
2. 2. The construction crew carefully placed the point load on the scaffolding.
   施工队伍小心翼翼地将集中荷载放在脚手架上。
3. 3.The weight of the point load was too much for the machine to handle.
   集中荷载的重量对机器来说太大了。