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- Probing the moving and Installation process in the high long wall face 大采高工作面搬家安装工艺探讨
- Application and improvement to the signal controlling device in mechanized caving long wall face 通讯信号控制设备在综放工作面应用与改进
- Characterization of UHF radio propagation channels in a long wall face of a coal mine UHF无线电波在长壁工作面中传播特性的研究
- Keywords long wall face;UHF radio propagation;periodically loaded waveguide mode; 长壁工作面;UHF无线电波的传播;周期加载的波导模型;
- 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
- High long wall face 大采高
- heavy duty long wall face 重型工作面
- 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。
- 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。
- After wall facing handles level, spread paper. 墙壁面层处理平整后,铺贴壁纸。
- 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。
- And suppose their prison had an echo from the wall facing them? 假设正对他们的那一面牢墙能产生回音,那又会如何呢?
- A good rule of thumb is to provide at least one deadman per 16 square feet of exposed wall face. 一个好的经验法则是至少在每16平方英尺的裸露面墙提供1个木桩。
- 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。
- 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。
- Game Controls: lower left point at the images of small ball, small ball will follow your mouse movement, bear in mind: Do not worry. Small ball wall face trial even! 游戏操作:点一下画面左下的小球,小球就会跟着你的鼠标运动,切记:千万不要着急,小球碰到试管壁就算失败了!
- 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。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。