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- coal mining above aquifer 带压开采
- Keywords coal mining above confined aquifer,water inrush through fault,waterproof coal pillar,numerical simulation,Multifactor regression; 承压水上采煤;断层突水;防水煤柱;数值模拟;多元回归;
- deep mining above aquifer 深部带压开采
- mining above aquifer 带压开采
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- This is the fundamental source for the supports crushing during coal mining under the unconsolidated confined aquifer in East China. 这是造成华东矿区部分矿井在部近松散承压含水层开采时工作面发生压架事故的根本原因。
- Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
- General bituminous coal mining; Motor freight. 一般烟煤开采；汽车货运。
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- The landscape was destroyed by coal mining. 自然景观由于挖煤而受到了破坏。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- Jiamusi Coal Mining Machinery Co. 和佳木斯煤矿机械有限公司。
- XUZHOU COAL MINING GROUP CO., LTD. 江苏徐州矿务集团有限公司。
- A coal mining boom has swept across north China. 煤炭行业的繁荣,在华北到处可见。
- Heilongjiang Coal Mining Machinery Group Co. 宣布,已向国有黑龙江煤矿机械集团有限公司。
- The three dimensional simulation model of "the fourth aquifer" was built with finite difference,after hydrogeology condition of Cenozoic aquifer in Taoyuan Coal Mine was analyzed. 通过对桃园煤矿新生界底部“四含”的水文地质条件分析,利用有限差分方法,建立地下水三维数值模型。
- Air shafts of Mengjin Coal Mine crossing four layers of sandstone aquifer,the fissures are easy to grow,shaft walls appear the exudation of water after construction. 孟津煤矿风井井筒穿越四层砂岩含水层,裂隙比较发育,施工后井壁出现渗漏水现象。
- The coal mining area is in the center of the basin. 煤矿区位于盆地的中心。
- Township enterprises mainly in coal mining. 乡镇企业以开采煤炭为主。
