笔者从三峡通航管理局获悉，2月21日起，三峡船闸下引航道开始进行清淤施工，三峡海事部门对施工水域实行单向控制通行，并进行安全维护。

The author has learned from the three gorges navigation bureau,On February 21, the,The three gorges ship lock dredging construction approaches to begin with,Three gorges construction waters maritime sector to exercise control one-way traffic,And for safe maintenance.

　　据了解，本次施工作业将持续至3月10日，施工作业水域为三峡船闸下引航道西陵长江大桥至隔流堤头以下750米水域之间，抛泥水域为长江右岸杨家湾码头至代石码头之间水域。

We have learned,The construction work will continue to March 10,Construction work under the waters of the three gorges ship lock such xiling Yangtze river bridge to isolating dike head waters between 750 metres,Spoil the internal waters of the Yangtze river right bank yangjiawan between docks to the generation of stone wharf &general waters.

　　施工作业期间，三峡海事部门对长江西陵长江大桥至鹰子嘴水域实行单向控制通航。

During the construction work,The maritime sector in the Yangtze river xiling Yangtze river bridge to eagle mouth waters controls one-way navigation.