Two newborn babies are lying side by side in the hospital and they glance at each other.
两位新生儿并肩躺在医院的育儿室里,彼此对看了一眼。
Then, based on the principle of not losing money in mining, the optimal cutting rock height and stoping distance for extracting lying side triangular ore pillar are optimized.
基于不亏本原则,确定回采下盘三角矿体的最合理切岩高度和后退距离。
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