wooden tie

 
       
  • 枕木

wooden tie的用法和樣例:

例句

  1. Pre-stressed concrete sleepers that have been designed to replace the conventional wooden ones have been tested.
    預應力混凝土枕木用來(lái)替代傳統的木質(zhì)枕木并已通過(guò)了試驗。
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