gateway driving along next goaf

• 沿空掘巷

gateway driving along next 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。