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- The significance of dealing coal mine collapse pit and reclamation of land are introduced. 介绍了煤矿塌陷坑的治理途径和复垦的意义。
- Coal Mine collapse basin was unused land,and it was natural constructed wetland model too.Fly-ash of coal as substrates used in constructed wetland systems and plant some aquatic macrophyte. 煤矿塌陷区是闲置土地,它也是天然人工湿地模型,以粉煤灰为基质,栽种某些水生植物即可组成人工湿地,它不仅可以很好的处理矿区污水,也可用以农作物灌溉或处理回用,同时还能实现粉煤灰的资源化利用;
- 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。
- coal mining collapses 采煤塌陷
- 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 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。
- Scope: Coal mining. Coal mining. 经营范围:开采原煤。
- We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
- The coal mine was closed down due to exhaustion. 这煤矿因矿源枯竭而关闭了。
- They are developing a new coal mine. 他们在开发新煤矿。