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- Room and Pillar Short wall Mining in Shendong Hala Gou Coal Mine 神东哈拉沟煤矿房柱式短壁机械化采煤法
- The mechanical model of key strata supported by coal pillar is set up according to the layout of coal pillars in the coalface of short wall mining. 根据短壁开采条件下保护煤柱的布设特点,建立由保护煤柱支承的关键层力学分析模型。
- 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。
- Keywords open-pit coal mine;coal wall coal extraction;wriggling landslide;cross exploitation and inner dumping; 露天煤矿;煤壁回采;流变蠕滑;横采内排;
- 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。
- Another method is at least a short wall to wall deep in the wallpaper colour of the wall-long wall colour wallpapers and wallpaper to a distinct level of the sequencing patterns. 另一种方法是至少一堵短墙上的墙纸颜色要深于一堵长墙上的墙纸颜色，而且墙纸要呈鲜明的水平排列的图案。
- 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 purpose of inviting you to come here is to discuss the purchase of some long wall coal cutters. 这次请您来想谈谈长臂采煤机的进口问题。
- For coal bin, a coal arch breaker can be installed at its outlet or hyperbola wall coal bin be used. 对于煤仓，可在其出口处设置破拱装置或采用双曲线壁煤仓。
- 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。
