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- long wall mining method along dip 倾斜长壁采煤法
- long wall mining method along strike 走向长壁采煤法
- long wall mining method 长壁采煤法
- When long wall mining to the dip in fully-mechanized coal winning working face is inclined area,we may can't use existing drift draw off water. 当倾斜长壁开采的综放工作面初采范围处于向斜构造区,造成初采放水无法利用已有巷道形成自流放水,必须考虑动力排水或其他的放水方式。
- In view of special conditions in quarry the paper takes Gujingxiang side-hill quarry as an example,introducing cutting wall mining method based on mining with steeper working slope. 结合露天采石场的具体情况,以古井祥业石场山坡型露天矿为例,介绍了基于陡帮开采的切壁开采方法。
- Cutting wall mining method for side-hill quarry 山坡露天石矿切壁开采方法
- Prevention and treatment to spontaneous combustion in isolated long wall face with fully mechanized top-coal caving mining method 孤岛综放工作面煤炭自燃的防治技术
- 8325 coal working face was belonged to high slope and medium coalseam,short wall Mining method was adopted. 沛城煤矿8325采煤工作面属大倾角中厚煤层短壁开采。
- 8325 coal working face was belonged to high slope and medium coalseam, short wall Mining method was adopted. 摘要沛城煤矿8325采煤工作面属大倾角中厚煤层短壁开采。
- It's a long wall circling round another temple,a much smaller one. 环绕一下比这小得多的祭坛的长长的一道墙。
- Yes,they saw a very small world,and this long,long wall. 是的，他们看见了一个很小的地球和这座很长很长的长城。
- Yes, they saw a very small world, and this long, long wall. 怀特: 是的，他们看见了一个很小的地球和这座很长的长城。
- wall mining method 壁式采煤法
- DBT is a supplier of complete system solutions for underground coal mining worldwide and world market leader in the area of long wall equipment. DBT公司是全球成套井下采矿设备供货商，在长壁开采设备制造领域居于世界领先地位。
- Discussion on the Mining Method of Jilongshan Mineral Industry Co., Ltd. 鸡笼山矿业有限公司采矿方法探讨。
- The Great Wall of China, the longest wall in the world, runs across north China like a huge dragon. 中国的长城，世界上最长的城墙，象一条巨龙，逶迤在中国的北部。
- A new process mining method was presented based on Markov transition matrix. 提出了一种基于马尔可夫转移矩阵的过程挖掘方法。
- Parker Formation coal mine blast mining method adopted, with 450 employees. 柏家沟煤矿采取爆破采煤法，拥有职工450人。
- The Great Wall of China is the longest wall in the world. 中国的长城是世界上最长的墙。
- Borehole hydromining is a kind of safe and efficient new mining method . 钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。
