busy main railways

 
  • 繁忙干線(xiàn)

busy main railways的用法和樣例:

例句

  1. This article, in regard of energy sources, explores the significance of electrifying the heavily trafficked railway main lines in our country.
    本文從能源方面探討了我國運輸繁忙干線(xiàn)實(shí)現鐵路電氣化的意義。

busy main railways的相關(guān)資料:

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