极限距离 meaning in Chinese
critical distance
Examples
- Abstract : on the basis of site actual measurements , the safety of the combined mining of 16 and 17 thin seams under water body in the 4th mining area of zhaopo coal mine was evaluated by means of inversion analysis and numerical modeling . some relevant mining scheme and technical measures were worked out so as to ensure smooth production
文摘:以现场实测结果为基础，利用反演分析和数值模拟计算手段对赵坡煤矿四采区下山部分距老空区水体下极限距离的16 、 17薄煤层联合开采的安全性进行了评价，并制定了相应的开采方案和技术措施，保证了生产的顺利进行。