extracting stoping
提取回采
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
youdao
应用推荐
模块上移
模块下移
不移动