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Design and construction professionals know that depending on the situation, one inch can be insignificant, or make all the difference in the world. When the comes to the Dulles Metrorail extension, one inch seems just enough to warrant headlines.
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Maybe not the public transit riders, but the...
Thanks for sharing, Jim.
The Silver Line (and the whole WMATA system, for that matter) is not light rail. I'd call it heavy rail.
失败的管道是根据从1950年左右到1984年越来越宽松的标准制造的。例如,以后对规格的修订有效地删除...