这种方法除了省钱，还使得从都市底下采气成为可能，比如从达拉斯沃斯堡机场(Dallas - FortWorth airport)下面那极具价值的巴涅特页岩里采气。
As well as saving money, this makes it possible to extract gas from below urban areas-and, as with the lucrative Barnett shale, from under the Dallas-Fort Worth airport.
达拉斯-沃斯堡大型机场位于众多物流和集散中心的中间地带，获得大量可供拓展的空间十分重要。
Dallas-Fort Worth's enormous airport lies at the centre of a large number of logistics and distribution centres. Again, having oodles of space to expand into is crucial;
达拉斯-沃斯堡大型机场位于众多物流和集散中心的中间地带，获得大量可供拓展的空间十分重要。
Dallas-Fort Worth's enormous airport lies at the centre of a large number of logistics and distribution centres. Again, having oodles of space to expand into is crucial;
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