The setting of inspection passage from subgrade to cone to abutment to box girder is simple, reasonable and convenient.

路基-锥体-桥台-箱梁的检修通道设置简单、合理、便捷。

youdao

The setting of inspection passage from subgrade to cone to abutment to box girder is simple, reasonable and convenient.

路基-锥体-桥台-箱梁的检修通道设置简单、合理、便捷。

youdao