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.
随便看	a donor-cycle a donorcycle adonsa adont hinge adonts, nikolai adonts, nikolai georgievich adonz a 'doo a doo a doobie a dooby adood a doo-dad a doodad a doodle a doofer a doofus a doohickey a doohickie a doojigger a dook adoor a doorag adoore adoors

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