Roadway driving along goaf

 
  • 沿空掘巷

Roadway driving along goaf的用法和样例:

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,采空区压实稳定是改善沿空掘巷维护状况的先决条件。

Roadway driving along goaf的相关资料:

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