煤矿

The coal miners have come out for about two weeks.

工人已罢工约两周了。

Coal miners have to work under the ground.

工人须在地下工作。

The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

屯留筒表土段采用普通法施工,利用外降水疏干降水。

Some colliers squatted upon their hunkers against the wall.

有几个工人靠著墙蹲著。

The geologist proves up a coal deposits.

地质学家探明了一个的藏量。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构简单,主要通风机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于主要通风机的消声降噪。

They are mining for coal.

他们在开采。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

通过锅炉噪声治理和烟尘治理的研究,阐述了通过采用隔声罩和机械通风冷却设施引风机和鼓风机的降噪治理。

The coal miners struck.

工人罢工了。

For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便,许多用电气开关采用插接式结构,以减少生产的影响。

Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

采是生产中的主要生产环节,因而编制采工作面接替计划生产具有指导性意义。

The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province.

短壁刀柱采法即条带开采,目前在陕西省小开采中较广泛应用。

The problems existed in electric supply protection for coal mine are introduced,and the features and result of the computerisation reform plan are provided.

介绍了供电保护存在的问题,提出了微机化改造方案的特点、效果等。

The paper intrduces the exchange CENTREX, dispatching equipment and the com-bination of them, and puts forward the methods of improving coalmining communication capabili-ty.

将交换机CENTREX功能用于调度机,从而提高通信的综合能力。

Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.

摘要通过大比例尺平面地质续图、剖面测量和显微组构分析，九台营城区流纹岩中石泡构造发育。

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针红庙膨胀性软岩巷道存在的难题，给出了针性的巷道控制方案，并在实践中得到了验证，有效地控制了红庙膨胀性软岩巷道的变形和破坏。

For the purpose of the development and utilization of the argilla re sources in Huaibei, the activation of coal-argilla taken from Zhuzhuang coal mi ne was studied as representative sample.

为开发利用淮北区高岭土资源,以该区朱庄系高岭土为代表样品行高岭土的活化研究。