bearing span

例句：

1. 1. The bridge is designed to withstand the weight of heavy trucks.
   这座桥的设计可以承受重型卡车的重量。
2. 2.The new building has a bearing span of 30 meters.
   这座新建筑的跨度为30米。
3. 3. The engineer calculated the bearing span of the bridge based on the load it could support.
   工程师根据桥梁能够承受的荷载来计算了桥梁的承载跨度。