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[原稿]
2012年1月20日，全长2745.9公里的西气东输二线(西段)管道全面达到供气条件，开始向陕京二线分输天然气。这意味着西气东输二线(西段)工程全面正式投入运营。1月23日来自中亚的天然气到京，缓解了入冬以来寒潮低温天气造成的天然气供应紧张局面，为北京供气安全增添了一道保障。
2006年4月，中国国家主席胡锦涛与土库曼斯坦总统尼亚佐夫共同签署关于天然气项目的合作文件，中国第一条引进境外天然气管道的蓝图由此铺开。2009年12月14日，中土哈乌四国元首共同启动中国—中亚天然气管道阀门。
2009年12月31日16时，随着北疆管网联络线建成投产，来自中亚的天然气开始输入新疆乌鲁木齐市。
西气东输二线工程西起新疆霍尔果斯，东达上海，南抵广州、香港，横跨我国15个省区市及特别行政区，全长8653公里，设计年输量300亿立方米，是中国第一条引进境外天然气资源的大型管道工程。西气东输二线工程以宁夏中卫为界分为东、西两段，霍尔果斯—中卫段干线和中卫—靖边联络线为西段，中卫―广州段线为东段。
西气东输二线西段中卫至靖边联络线将西气东输二线西段分别与西气东输一线和陕京二线连接在一起。作为国内天然气联网输送的重要枢纽站，靖边站将对中亚进口天然气加压分输，一部分输入西气东输一线供应华东地区，另一部分输入陕京线供应北京及周边地区。西气东输二线全线建成后，将与中国十几条已建成管道相连，在中国油气管网体系中发挥骨干管线的保障作用。
目前，土库曼斯坦阿姆河右岸的天然气生产正稳步推进，霍尔果斯首站每天的天然气进气量约660万立方米。同时，西气东输二线东段工程建设正在加快向前推进，管道焊接已完成1560余公里。西气东输二线全线预计将于2011年底全面建成通气。
西气东输二线向西与中国－中亚天然气管道衔接。中国－中亚天然气管道西起土库曼斯坦和乌兹别克斯坦边境，穿越乌兹别克斯坦中部和哈萨克斯坦南部地区，在新疆霍尔果斯入境，全长1833公里。
截至2月1日，中亚天然气管道进气已超过4亿立方米，霍尔果斯首站已累计进气2.64亿立方米。目前，西气东输二线向乌鲁木齐供气量日均150万立方米，向北京供气量日均500万立方米至600万立方米。预计今年土库曼斯坦向我国输送58亿立方米天然气。
[译文]
The 2,745.9km-long western segment of the Second West-East Gas Pipeline was inaugurated as it became operational and began to dispatch gas to the Second Shaan-Jing Gas Pipeline on January 20, 2010. Three days later, gas from Central Asia arrived in Beijing, mitigating the short gas supply caused by heavy snowfall and low temperature since the beginning of the winter, and providing additional guarantee for gas supplies to the city.
The blueprint of China-Central Asia Natural Gas Pipeline, China’s first pipeline to import overseas gas, was rolled out by an agreement of natural gas cooperation signed by Chinese President Hu Jintao and Turkmen President Niyazov in April, 2006. On December 14, 2009, the flow of natural gas through this pipeline was jointly turned on by Chinese, Turkmen, Kazakh, and Uzbek presidents.
A cross-link line of a pipeline network in northern Xinjiang was put into operation, feeding gas from Central Asia to Urumqi, the capital city of Xinjiang region, at 16:00 December 31, 2009.
The Second West-East Gas Pipeline, designed to deliver 30 billion cubic meters of gas per annum, will travel 8,653 kilometers through 15 provinces and regions from Xinjiang's Horgos in the west to Shanghai in the east, and to the south reaches at Guangzhou and Hong Kong. It is the first large scale pipeline project built to introduce overseas gas resources. The Pipeline is divided into an eastern segment and a western segment at Zhongwei County of Ningxia Hui Autonomous Region. The western segment consists of Horgos-Zhongwei Trunk Line and Zhongwei-Jingbian Cross-link Line. The eastern segment consists of Zhongwei-Guangzhou Line.
Part of the western segment, Zhongwei-Jingbian Cross-link Line separately connects the western segment to the First West-East Gas Pipeline and the Second Shaan-Jing Gas Pipeline. As an important hub of gas pipelines in China, Jingbian station boosts and dispatches imported Central Asian gas to Eastern China through the First West-East Gas Pipeline, and to Beijing and surrounding regions through the Shaan-Jing Gas Pipelines. The Second West-East Gas Pipeline, when completed, will be connected to more than ten established pipelines in China, and will be a backbone of guarantee in China’s oil and gas pipeline system.
Currently, gas production on the right bank of Amu Darya in Turkmenistan is well under way. The daily input volume at the initial station at Horgos is about 6.6 million cubic meters. Meanwhile, construction of the eastern segment of the pipeline is putting forward smoothly, with 1,560 kilometers already welded. The entire pipeline is expected to be completed and available for gas delivery by the end of 2011.
To the west, the Second West-East Gas Pipeline is connected to the 1,833km-long China-Central Asia Natural Gas Pipeline, which starts at the border of Turkmenistan and Uzbekistan and runs through central Uzbekistan and southern Kazakhstan before entering China at Horgos.
By February 1, the China-Central Asia Natural Gas Pipeline had received more than 400 million cubic meters of gas, including 264 million cubic meters already inputted to the initial station at Horgos. On an average day, the Second West-East Gas Pipeline supplies 1.5 million cubic meters of natural gas to Urumqi, and 5 million to 6 million cubic meters to Beijing. It is expected that Turkmenistan will supply 5.8 billion cubic meters of gas to China in 2010. | 
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