The bottom of it's working face contact with the seam inundation directly.

主采煤层底板与充水岩层直接接触,充水岩层内部连成一体且与外部水力联系密切.

互联网

Fully - mechanized Coal Winning is difficult in the production with complex working face.

综合机械化开采对构造复杂工作面生产具有较高的要求.

互联网

The micro fractures are firstly formed in roof above the working face.

研究表明:工作面上方采空区靠顶板侧岩层首先产生微裂隙.

互联网

No sand inclusion , porosity, etc on the casting working face.

铸件工作面无砂眼 、 缩孔等缺陷.

互联网

Working face is the floating working room underground.

采煤工作面是地下移动着的工作空间.

互联网

Collected 6 working face again so.

这样又采了6个工作面.

互联网

The water - inrush from floor inundates Working face 51101 W in Liangzhuang coal mine, Xinwen Mining Group.

新汶矿业集团良庄煤矿51101W工作面因底板突水导致工作面被淹.

互联网

Following the horizon of the seam thickness t, he working face is arranged with short length.

工作面上方不是顶板, 而是顶煤和残留煤矸.

互联网

I change coverall , carry miner's lamp on the back, go toward 612 teams working face alone.

我换上工作服, 背上矿灯, 独自往612队工作面走去.

互联网

Overlength isolated working face reduces the superposed influence of abutment pressure on isolated working face.

超长孤岛工作面减小孤岛工作面侧向支承压力的迭加影响.

互联网

The experience of waterreclamation in synclinal axis illustrating at T 312 working face is introduced.

介绍了T312工作面向斜轴部水患治理的经验.

互联网

Using finite element method, the justified drainage - flux and ventilation - flux of working face are concluded.

利用数值模拟试验方法给出了合理的抽放流量和工作面通风量.

互联网

The roof of the working face caved in suddenly, several miners were trapped.

工作面的顶板突然塌落, 数名矿工被困在工作面内.

互联网

The digging working face dust - settling plays a very important role in mine dust control field.

掘进工作面的降尘在煤矿井下除尘领域占有很重要的地位.

互联网

Rational support of density: It guarantee working face in a good state with least props.

合理支护密度即以最少的支柱来保证回采工作面顶板处于良好的状态.

互联网