The overall model test of Dayuandu Junction navigation structures provided a basis for the optimized arrangement and navigationcondition design.
通过大源渡枢纽通航建筑物的整体模型试验，为其优化布置和通航条件设计提供了依据。
2
When the Three Gorges reservoir Area has been filled with water to the designed level, the navigationcondition in the reservoir has been improved significantly.
三峡库区正常蓄水后，库区航运条件得到极大改善。
3
Due to the disturbed flow at bridge pier, the original condition of flow and bed scouring and sedimentation was changed, and thus the navigationcondition was affected.