The South Passage which is little affects by the human being is the main channel of water discharge and sediment in the Changjiang Estuary.
南槽是长江口主要的水沙交换通道之一，受人类活动影响较小。
The suspended sediment in the south passage at the Yangtze river estuary was used to conduct experiment in the two-way annular flume about sediment concentration, salinity velocity and flow velocity.
选用长江口南槽悬沙，在双向环形水槽中进行盐度、含沙量、流速等不同条件下组合实验。
Based on local hydrological and sediment data and river bed processes analysis, it is reasonable to select the North passage of South branch as the future deep water channel.
根据对水文泥沙条件及河床演变的分析，选择南港北槽开辟深水航道是合理的。
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