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	apallic state apallic syndrome apaloosa apalrc apals apalsa apalu a-pam ap/am apam apam1 apamad apamc apame apamea treaty of 188 b.c. apami apamit apamo apamr apams apamsa apan apana ap/a/n/af apanage

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