“railhead”的概念、定义、翻译、参考文献-科学参考

单词	railhead
释义	railhead [`rāl´hed] ^{CIVIL ENGINEERING} 1. The topmost part of a rail, supporting the wheels of railway vehicles. 2. A point at which railroad traffic originates and terminates. 3. The temporary ends of a railroad line under construction.
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