英语词汇“spring switch”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	spring switch
释义	spring switch spring switch [′spriŋ ‚swich] (civil engineering) A railroad switch that contains a spring to return it to the running position after it has been thrown over by trailing wheels moving on the diverging route.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。