单词coal seam
na.: 煤层
煤层
Most of it comes from off the coast of Western Australia, and most of this, like the coal-seam gas, is destined for Asia.
这其中绝大多数出自澳大利亚西海岸，此地出产的煤层气等绝大多数产品都销往亚洲。
The top-coal in the front of the wall appears the failure area in the effect of the abutment pressure that spreads over the coal seam.
煤壁前方顶煤在支承压力作用下产生破坏区，遍布整个煤层；
The 3D model of coal seam was constructed by building the corresponding relationship between the top TIN and the bottom one.
在顶板TIN和底板TIN之间建立三角单元的拓扑对应关系，最终生成煤层的三维实体地质模型。
The elastic wave reflection method is one of the effective methods of detecting the thickness of the top coal seam.
声波反射法是目前顶煤厚度探测的有效方法之一。
gateway in inclined coal seam is difficult to maintained mainly due to its location in a remarkably anisotropic environment.
大倾角煤层回采巷道因处于显著的各向异性环境中而难以维护。
The sublevel caving mining of steep coal seam as an economic, safe, efficient mining method are widely used in steep thick coal seam mining.
其中，急倾斜特厚煤层水平分段综采放顶煤开采方法，已经在国内急倾斜厚煤层开采中得到广泛应用。
"Pressure relief antireflective" technology is to improve the soft low-permeability coal seam gas extraction rate in an effective way.
“卸压增透”技术是提高松软低透气性煤层瓦斯抽采率的有效途径。
Above achievements can be rationally used to prevent and control roof water inrush and protect water body in shallow coal seam mining.
该成果可对浅埋煤层保水防溃采煤研究和应用提供基础理论指导。
The practice has proved that IR imaging detecting technique can be used to preventing and controlling working of hidden fire of coal seam.
实践证明红外成像探测技术可应用于煤层隐蔽火灾防治工作中。
Coal seam gas is commonly referred to as the gas, the coal mining is a kind of disaster gas.
煤层气通常被称为瓦斯，对煤矿开采是一种灾害气体。