三峡水库坝下航道有8处重点浅滩和7处一般碍航浅滩。
There are 8 key shoals and 7 normal shoals at downstream of the dam of the Three Gorges Reservoir.
研究表明，在三峡船闸建成初期，可能有一定碍航故障。
The results show that there may be operation failure right after construction of Three Gorges ship lock.
界牌河段是长江中下游防洪的重要河段，亦是长江中下游著名的碍航河段。
The Jiepai reach in the middle and lower Yangtze River is not only an important one for its flood control. but it is also well known for its hindering navigation.
三峡工程施工期变动回水区河段由于水位变化，使部分河段碍航情况加剧。
During the construction of Three Gorges Project, in some part of the river, due to the change of water level in fluctuating backwater area, the difficulty of navigation is intensified.
论述了非冲积性滩险类型、基本成因、滩险碍航特点、水流特性及其分析方法。
The type, forming reason, specific property of obstacle to navigation, flow characteristics of rock rapids and their method of analysis are discussed.
鸡心洲浅滩整治建筑物较多，但整治效果不明显，是赣江西支著名的碍航浅滩。
Jixinzhou shoal is a famous navigation-obstructing shoal in the west branch of Gan River.
分析了红水河峡龙滩滩险特性、碍航原因，并介绍了整治工程方案及其整治效果。
This paper analyzes the characteristics and navigation-obstructing reasons of Xialong Shoal of Hongshuihe River, and presents the regulation engineering scheme and regulation effect.
最后总结出长江干线碍航航道通过能力的问题，提出了提高长江干线碍航航道通过能力的措施。
In the end, summarize the characteristics of the Yangtze River waterway, and propose some measures to improve the Yangtze River waterway capacity.
在河口与海洋交汇的河口地区都存在着一定范围的拦门沙浅滩，成为大型船舶通海航道的碍航区段。
In the convergence zone of the estuary and the ocean, there always exists the bar shoal which has become an obstacle to navigation for the large-scale vessels in seaward channel.
在河口与海洋交汇的河口地区都存在着一定范围的拦门沙浅滩，成为大型船舶通海航道的碍航区段。
In the convergence zone of the estuary and the ocean, there always exists the bar shoal which has become an obstacle to navigation for the large-scale vessels in seaward channel.
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