都江堰英文导游词.docx

文档介绍：







ical head that is said to resemble the mouth of a fish, is the key part of Li Bing’s is an artificial levee that divides the water into inner and outer inner stream is deep and narrow, while the outer stream is relatively shallow but special structure ensures that the inner stream carries approximately 60% of the river’s flow into the irrigation system during dry during flood, this amount decreases to 40% to protect the people from outer stream drains away the rest, flushing out much of the silt and sediment.










The Feishayan or Flying Sand Weir has a 200 m-wide opening that connects the inner and outer streams.[17] This ensures against flooding by allowing the natural swirling flow of the water to drain out exce water from the inner to the outer swirl also drains out silt and sediment that failed to go into the outer modern reinforced concrete weir has replaced Li Bing’s original weighted bamboo baskets.[18]
The Baopingkou or Bottle-Neck Channel, which Li Bing gouged through the mountain, is the final part of the syst