结合放顶煤特点谈如何提高回采率

在煤矿生产中,放顶煤开采,无论是综放还是∏放,初采损失不可避免,如何采取措施减少初采损失,提高回采率。

Combine to Put a Coal Characteristics to Talk How to Raise Back to Adopt the Rate

In coal mine produce,put a coal to mine,still is a 综 to put regardless the ∏ put,the beginning adopts to lose and can't avoid,how adopt the measure decrease beginning to adopt the loss,the exaltation returns to adopt the rate,the underneath is originally the text to discuss the merit and shortcoming and exaltations that the ∏ puts to adopt the coal craft back to adopt the rate.