为了确保大堤安全，必须开展顶管施工期间和工后的长江大堤安全监测。
In order to ensure the safety of the Yangtze levee, safety monitoring during pipe jacking and afterwards is necessary.
由于长江大堤的阻隔，故道与长江的水沙交换受到限制，引起一系列的水沙条件变化。
Because of obstructing by the Yangtze River Dike, the exchange of water and sediment between the ancient course and Yangtze River are limited, leading the water and sediment having much changes.
某电厂位于长江南岸的长江大堤堤内圩区。属长江河漫滩地貌单元。厂区分布第四系冲积物及牛轭湖相沉积层， 基岩为第三系红层。
Some Power Plant was situated in dike area of the south bank of a Yangtse River, belong in valley flat geomorphic unit.
荆江大堤为长江中下游重要堤防。
Jingjiang levees are important to the middle and lower Yangtze River.
长江的洪水在有些地方冲破了大堤。
长江的洪水在有些地方冲破了大堤。
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