wooden sleeper

 
       
  • 枕木,木枕

wooden sleeper的用法和样例:

例句

  1. Pre-stressed concrete sleepers that have been designed to replace the conventional wooden ones have been tested.
    预应力混凝土枕木用来替代传统的木质枕木并已通过了试验。

wooden sleeper的相关资料:

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