Roadway driving along goaf

 
  • 沿空掘巷

Roadway driving along goaf的用法和樣例:

例句

  1. The results show that the gob entry driving stabled is the first importart condition on improvingmaintain of the gob entry driving.
    研究表明,採空區壓實穩定是改善沿空掘巷維護狀況的先決條件。

Roadway driving along goaf的相關資料:

臨近單詞

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