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	mshcm mshcp mshcsp mshd mshda mshe mshea m shell mshf mshfid mshg mshi mshk m shketan mshl mshm mshmis mshn mshnvm msho mshp mshpd mshq msh-r mshr

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