The results show that the gob entrydriving stabled is the first importart condition on improvingmaintain of the gob entrydriving.
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。
2
The results show that the gob entrydriving stability is the first important conditions on improving maintain of the gob entrydriving.
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。
3
The gob-side entrydriving in the fully-mechanized coal winning face can be protected successfully by using the anchored cable and rod supporting system.