国产欧美日韩在线观看一区二区,欧美乱码精品一区二区三区,国产粉嫩高中无套进入,中文在线天堂网www

導游詞

四川都江堰英文導游詞

時間:2023-03-22 23:58:12 導游詞 我要投稿

四川都江堰英文導游詞

  The Dujiangyan Dam, 45km north of Chengdu, is an ancient technological wonder of the country. More than 2000 yers ago, Li Bing(250-200BC), as a local governor of the Shu State, designed this water control and irrigation dam and organized thousands of local people to complete the project to check the Mingjiang River.For many years the river,flooded the Chengdu agricultural area and local farmers suffered a lot from the water disaster. Due to the success of the project, the dam automatically diverts the Mingjiang River and channels it into irrigation canals. For many years the dam has continued to make the most of the water conservancy works.

四川都江堰英文導游詞

  Expansion has been undertaken since 1949 and at present the system does a good job of irrigating farming land across 33counties of the western part of Sichuan Province. Local people feel proud of the system becaude it has supported a large amount of people in their daily life.

  What makes this system so good?

  The system is a large hydraulic water project which consists of three main parts: the Fish Mouth Water-Dividing Dam, the Flying Sand Fence, and the Bottle-Neck Channel.

  The Fish mouth functions to divide the flow of water into an inner river and an outer river. Long ago, when Li Bing worked as the local governor of the Shu State, he found the old river canal was too narrow to hold much water, which often overflowed the banks and caused disastrous flood. Based on natural geographic conditions, he organized the people to build a man-made dam. The whole dam looks like a fish, and the front dam has a circular cone shaped like a fish mouth. It is the dam that channels water into an outer canal and an inner canal. The outer water canal functions as the main stream and holds sixty percent of water in the river. The extra water goes through the inner canal for irrigation in Chengdu areas.

  The Flying Sand Fence joins the inner and outer canals. The fence functions to controll the flow of w

【四川都江堰英文導游詞】相關文章:

都江堰英文導游詞范文_四川導游詞06-07

四川都江堰導游詞06-16

四川都江堰導游詞10-04

四川都江堰導游詞文章06-12

都江堰英文導游詞范文10-06

介紹四川都江堰的導游詞范文05-16

都江堰英文導游詞(精選10篇)07-19

四川景點英文導游詞10-06

都江堰導游詞07-10

都江堰景區導游詞06-18

主站蜘蛛池模板: 久久99精品国产麻豆宅宅| 免费视频爱爱太爽了| 扒开双腿疯狂进出爽爽爽| 精品国产av色欲果冻传媒| 日韩视频 中文字幕 视频一区| 秋霞鲁丝片av无码少妇| 亚洲熟妇无码av不卡在线观看| 亚洲精品久久久久一区二区| 欧美人与动交视频在线观看| 精品久久久爽爽久久久av| 午夜精品成人一区二区视频| 又色又爽又黄还免费毛片96下载| 18禁勿入午夜网站入口| 中文字幕无码第1页| 少妇饥渴xxhd麻豆xxhd骆驼| 新国产三级视频在线播放| 国产办公室秘书无码精品99| 成人影院yy111111在线观看| 成人亚洲a片v一区二区三区蜜臀| 日韩精品一区二区午夜成人版| 99国产在线精品视频| 性色av一区二区三区人妻| 免费人成在线观看视频高潮| 久久久无码一区二区三区| 日本高清视频在线www色| 国产超高清麻豆精品传媒麻豆精品| 无码国产色欲xxxx视频| 男男gv白嫩小受gv在线播放| 国产亚洲视频在线播放香蕉| 成人免费无码视频在线网站| 国产精品精品自在线拍| 又色又爽又高潮免费观看| 中文字幕无码中文字幕有码a| 国产清纯在线一区二区| 亚洲va无码专区国产乱码| 成人综合伊人五月婷久久| 99久久无码一区人妻a片蜜| 无码精品久久一区二区三区| 亚洲精品国产肉丝袜久久| 亚洲va中文在线播放免费| 荫蒂添的好舒服视频囗交|