The stope downward ventilation technique has been used under different conditions in many places of our country.
回采工作面下行通风在我国许多地方的不同条件下均有使用。
Its test results have shown an improved ventilation, controlled stope self combustion and less ground pressure activity.
实验结果表明该方法通风效果改善，采场自燃得到控制，地压活动减少。
Its test results have shown an improved ventilation, controlled stope self combustion and less ground pressure activity.
实验结果表明该方法通风效果改善，采场自燃得到控制，地压活动减少。
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