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- reamer- pillar coal mining method 刀柱式采煤法
- pillar coal mining method 柱式采煤法
- 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。
- It analyzed mining method and craft technique, to scientize to choose coal mining method. 分析了山东省重点煤矿的采煤方法和工艺,科学选择采煤方法。
- The shortwall ladder prop mining method namely strip extraction has been more extensively applied currently in small coal mine of Shaanxi province. 短壁刀柱采煤法即条带开采,目前在陕西省小煤矿开采中较广泛应用。
- From investigating at field and laboratory, the coal mining method and its technical parament have a much effect on controling floor water inrush. 通过现场实测和室内研究表明,采煤技术因素对底板突水的影响很大。
- From the theoretical and experimental study, the paper made a brief analysis of the advancing coal mining method affected on coal and gas outbursts. 从理论和试验研究两方面浅析了前进式采煤法对煤与瓦斯突出的影响。
- In consideration of the characteristics of the technological process of the hydraulic coal mining method, it is a general practice to use of the goaf as the ventilation airway. 水力采煤由于工艺自身的特点,一直沿用老塘串风的通风方式,在我国目前的安全形式下,如不改变,水采难以发展。
- This article recommends a mining technology for thin coal seam with mixed mining,exceeding length and double unit face mining method innovated by Tianchen coal mine. 本文介绍了田陈煤矿创新的综采与普机采混合、工作面超长布置、对拉、旋转调采、矩形和梯形不规则形状的薄煤层开采技术;
- The longwall coal mining method along a direction,coal-mining technology,longwall coal mining method along the dip,and caving coal technology are discussed. 对单一走向长壁采煤法、采煤工艺、倾斜长壁采煤法以及放顶煤采煤技术进行了论述;
- Introduces the coal mining method and tunnel layout of auger mining,proves the feasibility of auger mining,expounds that auger mining is a kind of advanced coal mining method of sky-high safe degree. 介绍了薄煤层螺旋钻开采技术的采煤方法以及巷道布置,论证了薄煤层螺旋钻开采技术的可行性,阐述了薄煤层螺旋钻开采技术是一种安全程度极高的先进采煤方法。
- Introduced the prevention methods and practice experience for the sixth pit in Xingshang Coal Mine adopted longwall inclined slicing experence mining method. 介绍了兴山矿六井采用倾斜分层走向长壁采煤法开采特厚煤层，防治自然发火的经验。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- long-hole infusion coal mining method 长孔水封爆破采煤法
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- So it takes a lot of effovt for preventing coal spontaneous combustion in per year in coal mine methods are grout nitrogen flooding and even pressure fire-extinguished to prevent coal spontaneous combustion. 为此,煤矿每年都要花很大气力防止煤炭自燃,采取了灌浆、氮、压灭火等阻止煤炭自燃的措施。
- Mining Method of Residual Coal Seam in Small Coal Mine 小煤矿复采残采煤层采煤方法
- Practical experiences with shrinkage mining method for pillar extraction over the pust ten years were summarized. 从我矿资源和矿柱回采实际情况出发,总结了近十几年来用留矿法回采底柱的实践经验。
- The upward horizontal slice stoping and filling without intervening pillar is the main mining method in Huangshaping Pb-Zn Mine. 摘要上向水平分层充镇无间柱采矿法是黄沙坪铅锌矿的主要采矿方法。
- Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
