您要查找的是不是：
- mining under coal wedge 煤柱下开采
- Ground building is wrecked by ground coal mining under village. 村庄下压煤开采,造成地面房屋破坏。
- Ground building is wrecked by compressed coal mining under village. 村庄下压煤开采,造成地面房屋破坏。
- Strip-partial mining has an abroad application as an important method of coal mining under buildings. 条带开采是作为"三下"采煤的主要技术措施,在我国有很广泛的应用。
- Procedural Posture: Mahon brings an action in equity to enjoin the coal company from mining under his house in such a way as to weaken its support. 程序：马宏提起衡平诉讼要求禁止公司开采他房子下的煤矿，因这将使得他的房基变弱。
- The research on probing into water bearing structure and watery of fore and lateral survey under coal mine is made by TEM. 利用瞬变电磁法在煤矿井下巷道开展了超前和侧向探测含水构造及富水性的试验研究。
- This is the fundamental source for the supports crushing during coal mining under the unconsolidated confined aquifer in East China. 这是造成华东矿区部分矿井在部近松散承压含水层开采时工作面发生压架事故的根本原因。
- Metal material erosion mechanism and main damage form under coal mine shaft caused by erosion are introduced and propeses the measures for prevention. 介绍了金属材料腐蚀的机理和煤矿井下金属材料腐蚀破坏的主要形式,并提出了预防措施。
- This article introduced applications,observation and research's actuality and developing trend of fully mechanized top coal caving mining under water. 介绍放顶煤开采技术在水体下采煤领域中的应用情况、观测研究现状及其发展趋势。
- According to the creep mechanics test parameters, we have constructed a nonlinear creep formula, which provides a theory basis for roadway support in coal mining under the sea. 根据含油泥岩蠕变力学参数，推导出横向各向异性非线性蠕变方程，为海下开采条件下的巷道支护提供了理论依据。
- recovery mining under wedge pillar 刀柱下复采
- The impacts on the security of Xifeihe River left embankment under coal mining are evaluated with elastoplastic model, two-exponent rheological model and probability integral method. 然后利用数值模拟软件中的弹塑性模型和流变模型及概率积分法开展煤层开采对西淝河左大堤安全的影响评价。
- The layers under coal seams in the study area generally containing fluvial sediments suggested that the coal developed in fluvial system. 不同层位的煤层,其下面普遍有河流相沉积,说明煤层是在古河流基础上发展起来的;
- The fact shows that the single leg type shield support and the technology of discharging coal in the side is an efficient method of coal mining under the condition of steep thick coal seam. 通过井下生产实践表明：单腿支撑柔性掩护支架采煤法和侧向放煤技术相结合是开采大倾角厚煤层一个新的、有效的采煤方法。
- The lower clastic member under coal C_3 is interperted as deposits of anastomosed river system on the upper delta plain. 研究表明:C_3煤层形成对的下伏碎屑岩段为一发育在上三角洲平原上的网状河流体系。
- It is proved that this safe,effecstive method is suited for mining under the conditions of unstable ruck and ore body. 实践证明，该采矿工艺具有安全、高效、贫化损失小和技术先进的特点，适用于矿岩结构极不稳固的顶板复杂矿体的回采。
- Coal mining can result in groundwater seriously seeping and seriously influencing aquatic environment.Coal mining under water-containing condition in the North Shaanxi area is very necessary. 摘要采煤会造成地下水严重渗漏，同时对生态环境影响巨大，保水采煤在陕北地区是非常必要的。
- The fully mechanized caving coal mining under the railway in mine area will result in difficult maintenance of railway because of great deformation and subsidence speed of terrene and railway. 在矿区铁路下进行放顶煤开采所引起的地表及铁路的变形量大,变形速度快,从而导致矿区铁路维护困难。
- It is indispensability of overburden failure law for mining under buildings, water bodies and railways, especially mining under water bodies. 覆岩破坏规律探测是“三下”采煤,尤其是水体下采煤不可缺少的部分。
- As Gretchen starts to dismantle the mine under Sucre's foot, Mahone shows up at the Gate office. 正当格雷琴开始着手拆卸苏克雷脚下的地雷时，马宏赶来了，他叫格雷琴快住手。
