Combined with the research project "Study on Floor Broken Depth" supplied by Feicheng Mining Group, the "four-zone" theory is proved. This study is of significant sense for develping mining water prevention and cure theory and engineering application.
基于4个网页-相关网页
four-zone four region model 四区四域模型
four-zone screw 四段螺杆
four-zone method 四区域法
four-zone averages 四区域法平均
four zone streak plate cultivation 四区划线法
Four Wheel Zone 四轮特区
twenty-four-hour restricted zone 二十四小时限制区
zone four-pipe system 局部四管系统
Four major Economic Zone 四大经济带
应用推荐