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葛洲坝水利枢纽二江泄水闸(见图1)于1980年建成。1981年1月4日大江截流以后,即成为长江的主要泄水、排沙通道。5年来累
Gezhouba Dam two rivers sluice (see Figure 1) was completed in 1980. After the river closure on January 4, 1981, it became the main drainage and sediment discharge channel in the Yangtze River. 5 years tired