cruciform girder

例句：

1. 1. The bridge is designed to be cruciform in shape.
   这座桥的设计是十字形的。
2. 2. The construction of the bridge required a cruciform girder.
   建造这座桥需要使用十字形梁。
3. 3.The cruciform girder was used to support the weight of the bridge.
   十字形梁被用来支撑桥梁的重量。