亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频

Tools: Save | Print | " target="_blank" class="style1">E-mail | Most Read
International Forum on Yellow River Opens
Adjust font size:

Due to soil conservancy programs carried out in the past decades in northwest China's Loess Plateau, where the Yellow River zigzags through, an average of 300 million tons of silt have been prevented from washing down into the river each year.

Li Guoying, director of the Yellow River Water Conservancy Committee, revealed the achievement at the ongoing first international forum on the Yellow River, which opened Tuesday in Zhengzhou, capital of central China's Henan Province.

 

The forum is attended by over 300 government administrative workers and specialists in water conservancy from 32 countries and regions. During the four-day event, participants will discuss management of water resources, harnessing chaotic waterways, forecasting and monitoring technologies, water diversion and water rights.

 

A Sino-Dutch cooperation project on Yellow River will also be inaugurated at the forum, along with the presentation of 256 academic papers, said the organizers.

 

The rich water and hydraulic resources on the mighty river have been fully exploited, and it provides water to residents and enterprises in northwest and north China for irrigation and industrial production, said Li Guoying.

 

The Yellow River is one of the muddiest rivers in the world. It is known as "China's sorrow" for the serious damage caused by frequent floods on the river.

 

China's central government has focused on reigning in the chaotic river since the founding of New China in October 1949 and has achieved some success in silt control, flood control and disaster reduction, said Suo Lisheng, deputy minister of water resources.

 

Chinese scientific workers have built a complete flood control network at the lower reaches of the Yellow River where the river course of is forced to change frequently due to the many breaches in river walls created by floods over the centuries.

 

(Xinhua News Agency October 22, 2003)

Tools: Save | Print | " target="_blank" class="style1">E-mail | Most Read

Related Stories
Yellow River Flood Warning Issued
China, Japan Renew Project to Improve Ecology at Yellow River
Yellow River Valleys Maintain Flood Alert After Rains
Floods Disrupt Lives of 350,000 People
ADB Helps Flood Prevention of Yellow River
 
SiteMap | About Us | RSS | Newsletter | Feedback

Copyright ? China.org.cn. All Rights Reserved E-mail: webmaster@china.org.cn Tel: 86-10-88828000 京ICP證 040089號

亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频
久久综合伊人77777麻豆| 先锋影音国产一区| 欧美三区美女| 欧美精品免费在线| 免费观看久久久4p| 免费观看亚洲视频大全| 久久综合九色综合网站| 久久久久久久一区二区| 欧美一区成人| 性久久久久久久| 亚洲欧美日韩在线播放| 亚洲欧美在线看| 午夜精品福利一区二区蜜股av| 亚洲性图久久| 亚洲欧美欧美一区二区三区| 亚洲在线网站| 午夜国产精品影院在线观看| 亚洲欧美日韩中文视频| 午夜老司机精品| 香蕉成人久久| 久久国产精品99久久久久久老狼| 午夜精彩国产免费不卡不顿大片| 亚洲欧美日本国产专区一区| 欧美一区二区三区播放老司机| 小辣椒精品导航| 久久av老司机精品网站导航| 久久精品91| 六月丁香综合| 欧美激情综合亚洲一二区| 欧美日韩精品一本二本三本| 欧美午夜片欧美片在线观看| 国产精品视频99| 国产在线成人| 在线观看视频一区二区| 亚洲欧洲综合另类在线| 日韩午夜免费| 午夜精品福利一区二区三区av| 性色av一区二区三区红粉影视| 久久精品123| 亚洲精品午夜| 亚洲一二三区在线| 亚洲欧美一区二区三区极速播放| 欧美中文日韩| 欧美大片免费看| 欧美午夜大胆人体| 国产三级欧美三级日产三级99| 狠狠干综合网| 亚洲精品一区在线观看香蕉| 亚洲一二三区视频在线观看| 欧美在线亚洲一区| 一级成人国产| 欧美中文在线免费| 欧美—级a级欧美特级ar全黄| 国产精品久久久久久久免费软件| 国产色爱av资源综合区| 亚洲激情偷拍| 亚洲自拍偷拍麻豆| 亚洲日本aⅴ片在线观看香蕉| 亚洲一区二区av电影| 久久久亚洲成人| 欧美日韩久久精品| 国产午夜精品在线| 亚洲欧洲美洲综合色网| 亚洲欧美视频在线观看| 亚洲美女91| 久久精品人人做人人爽| 欧美理论在线播放| 国产日韩在线播放| 日韩午夜在线电影| 亚洲大胆av| 中文在线不卡| 久久精品导航| 亚洲欧美日本伦理| 欧美第十八页| 国产日韩亚洲欧美综合| 亚洲精品黄色| 欧美自拍偷拍| 亚洲一区二区在线视频| 欧美成人精品1314www| 国产精品丝袜91| 亚洲精品日产精品乱码不卡| 欧美在线日韩| 亚洲欧洲av一区二区| 欧美激情一区二区| 在线成人国产| 香蕉久久国产| 亚洲欧美日韩久久精品| 欧美精品久久久久久久| 国产午夜精品美女毛片视频| 一区二区日韩精品| 亚洲精品一级| 久热综合在线亚洲精品| 国产欧美大片| 亚洲色图自拍| 亚洲视频你懂的| 欧美刺激性大交免费视频| 国产欧美日韩在线观看| 一本一本久久a久久精品综合妖精| 亚洲三级视频| 久久一二三四| 国产一区视频在线看| 亚洲一区中文字幕在线观看| 亚洲视频香蕉人妖| 久久综合给合| 红桃视频一区| 久久精品道一区二区三区| 久久精品国产综合精品| 国产精品久久中文| 中文精品视频一区二区在线观看| 亚洲免费成人av| 欧美大香线蕉线伊人久久国产精品| 国产综合久久久久影院| 销魂美女一区二区三区视频在线| 亚洲激情av在线| 亚洲精品国产日韩| 欧美在线看片| 国产麻豆视频精品| 亚洲一区在线免费| 亚洲欧美制服另类日韩| 欧美香蕉大胸在线视频观看| 亚洲理论在线| 中文网丁香综合网| 欧美日韩伦理在线免费| 亚洲精品视频在线看| 日韩亚洲一区二区| 欧美屁股在线| 亚洲美女黄网| 亚洲视频www| 国产精品免费看| 亚洲欧美福利一区二区| 欧美在线播放一区二区| 国产日本欧美一区二区三区| 午夜性色一区二区三区免费视频| 欧美有码在线视频| 国产伊人精品| 亚洲国产精品久久久久久女王 | 亚洲三级国产| 欧美区一区二区三区| 亚洲精品综合| 亚洲自拍偷拍一区| 国产欧美日韩综合| 亚洲国产成人午夜在线一区| 牛牛国产精品| 日韩网站在线观看| 午夜精品福利电影| 黄色亚洲大片免费在线观看| 91久久精品久久国产性色也91| 欧美韩国日本综合| 一区二区三区黄色| 欧美一级在线视频| 在线播放不卡| 在线综合欧美| 国产乱码精品一区二区三区不卡 | 欧美一区二视频在线免费观看| 国产日韩欧美成人| 亚洲经典一区| 欧美视频在线播放| 午夜久久影院| 欧美r片在线| 一区二区三区国产精品| 久久精品2019中文字幕| 亚洲高清资源| 亚洲欧美区自拍先锋| 黄色成人av网| 99热精品在线观看| 国产精品亚发布| 久久精品国产第一区二区三区| 欧美高清在线播放| 亚洲一区二区毛片| 噜噜噜噜噜久久久久久91| 亚洲精品系列| 欧美有码在线视频| 91久久精品一区二区别| 欧美一区二区精品久久911| 亚洲高清免费| 性久久久久久久| 亚洲国产精品久久久| 亚洲女人av| 亚洲国产一区二区三区在线播| 亚洲综合首页| 亚洲国产免费| 欧美在线亚洲综合一区| 亚洲精品一区在线观看香蕉| 久久九九国产精品| av不卡在线观看| 麻豆久久精品| 亚洲欧美日韩综合国产aⅴ| 欧美久久成人| 欧美在线免费视屏| 国产精品国内视频| 亚洲精品一区在线观看香蕉| 国产欧美日韩三级| 一区二区三区视频在线| 狠狠噜噜久久| 午夜免费在线观看精品视频| 亚洲高清在线观看| 久久激五月天综合精品| 一本久久综合亚洲鲁鲁| 欧美刺激性大交免费视频| 欧美亚洲综合另类|