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    electric traction line造句
    


    

    

    

    

    

    electric traction line造句
    更新時(shí)間：2025-07-27 21:47:53復(fù)制
    

    

    electric traction line造句
    

      

      1、For investigating the air pollution in double line railway tunnel by electric traction, we tested the air condition in Jundushan tunnel.(為了解電力牽引的雙線鐵路運(yùn)營(yíng)隧道空氣污染狀況，選擇軍都山隧道進(jìn)行現(xiàn)場(chǎng)測(cè)試。)
      

    

    

    

    

    

    electric traction line基本釋義
    

    

    


    


    

    

    

    traction組詞造句
    

    

    


    



    

    

    

    

    

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