今年９月１０日，是陕北天然气通过长输管线正式送达北京城的一周年。９月９日，记者应邀到陕京天然气管线的末站———位于京原公路东侧的石景山区衙门口村，参加了首都第一座天然气汽车加气站的落成剪彩仪式。至此，多年来困扰京城人的两大污染源：采暖燃煤与汽车尾气，... On September 10 this year, it was the first anniversary of the official delivery of natural gas from northern Shaanxi to Beijing City via long-distance pipelines. On September 9th, the reporter was invited to the final station of the Shaanxi-Beijing natural gas pipeline—the Yumenkou Village in the Shijingshan District on the east side of the Jingyuan Highway, and participated in the opening ceremony of the capital’s first natural gas vehicle filling station. At this point, the two major sources of pollution for Beijing people over the years have been: heating coal and automobile exhaust,...