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位于华盛顿的年乘客吞吐量巨大的杜勒斯机场看起来现在还缺少一项设施,即连接城市的铁路线。Sandy Guthrie报道了目前这项工作的进展情况。
Dulles Airport, home to a huge annual passenger throughput in Washington DC, appears to lack the facility to connect the city’s railway lines. Sandy Guthrie reports on the progress of the current work.