工作面

In this paper, different coal face 3801 in a mine gas emission time is based on gray theory of gas emission prediction method, a mine gas emission in GM (1, 1) prediction model made its prediction of gas emission, by making the residual test, the results show that the prediction accuracy can be predicted.

本文以某矿3801采煤工作面不同时间段瓦斯涌出量为依据，运用灰色理论提出了瓦斯涌出量的预测方法，建立了矿井瓦斯涌出量的GM(1 ，1)预测模型，并对其进行了瓦斯涌出量的预测，通过进行残差检验，结果表明预测精度高，可以进行预测。

In China as anywhere else, when a politician apologises, he is usually saying "it is not my fault."

掘进段党委书记杜培堂领着10多个人从工作面跑来，他一边跑一边高喊&李书记，快往外！&

Thin bedrocks; shallow coal seam; water protection mining; rapid mining of coalface; supporter resistance; reduce mining height; filling

薄基岩；浅埋；保水开采；工作面快速推进；支护阻力；降低采高；充填

The paper introduced the technical method and benefits of the gas drainage with large diameter horizontal long boreholes applied to No.

介绍了千秋煤矿21121综放工作面利用大直径水平长钻孔抽放瓦斯的技术方法和效果。

The reasonable testing methods, arranging boreholes and selecting blasting parameters at a typical work face are introduced.

介绍了一个典型工作面试验方法、炮眼布置和爆破参数的选取。

During overlying rock strata being fractured, the surface gas drainage boreholes may be damaged due to ground movement.

在长壁工作面通过的过程中，地面垂直钻孔可能随岩层移动而发生破坏。

Therefore, in general, cover Stand Face the support of the cleaner.

因此，一般来说，掩护式支架的支撑工作面是较清洁的。

We drive 10 kilometres in a comfortable minibus to the pit face, 355 metres below the surface.

我们坐上一辆舒适的小巴，驱车10公里到达矿井，来到位于地面355米以下的工作面。

It is suitable for long-distance, large-capacity transport along the roadway of full-mechanized mining work face in the pit.

适用于煤矿井下高产高效综采工作面顺槽长距离、大运量运输。

They are suitable for roadway transportation of full-mechanized mining face, top-grade general mining and common mechanical mining face in the pit that the angle doesn't exceed 18°.

适用于倾角≤±18°的煤矿井下综采工作面、高档普采和一般机采工作面的顺槽运输。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。