中国四大油气战略通道即西北通道、东北通道、西南通道和海上通道。西北通道从中亚及俄罗斯西西伯利亚等地进口油气资源,并在我国西北地区入境的进口通道。目前,西北通道已建成中亚天然气管道A、B线,国内配 China’s four major strategic oil and gas channels that the Northwest Passage, the Northeast Passage, the Southwest Passage and the sea Passage. The Northwest Passage imports oil and gas resources from Central Asia and Western Siberia in Russia and imports into China’s northwest region. At present, the Northwest Passage has been completed Central Asia gas pipeline A, B line, with domestic distribution