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西气东输二线年输量在300亿立方米左右,基本相当于西气东输一线的两倍。管线一旦建成,将成为全球最长、输气量最大的单期工程,并成为日趋完善的中国天然气管网的主梁。
The annual output of the Second West-East Gas Pipeline is about 30 billion cubic meters, which is about twice as large as that of the West-East Gas Pipeline. Once the pipeline is completed, it will become the longest single-phase project with the largest gas transmission capacity in the world and become the mainstay of the increasingly perfect Chinese natural gas pipeline network.