coal road

 
  • 煤巷

coal road的用法和樣例:

例句

  1. Outburst prevention technique of excavating in coal seam will be directly concerned colliery safety production and excavates taking over.
    摘要突出煤層煤巷掘進防突直接關係到煤礦的安全生產和採掘接替。
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