1·The average coal seam here is three feet thick.
这里的煤层平均为3英尺厚。
—— 《柯林斯英汉双解大词典》
2·They were giant, sometimes 8 feet long , and many of them lived in the swampy pools in which our coal seam, or layer, or formed.
它们体型巨大，有时有8英尺长，其中许多生活在沼泽地里，我们的煤层就是在这里形成的。
3·The permeability of coal seam is the crucial problem.
煤层气储层的渗透性是煤层气开发的关键。
4·The influence of aquifer upon the mining coal seam is estimated.
预测了侏罗系含水层对煤层开采的影响。
5·The spontaneous combustion of coal seam endangers the safe production.
井下煤层自燃严重危害着安全生产。
6·Factors affected coal seam permeability change and its law is analyzed.
分析了煤层透气性变化的影响因素及变化规律。
7·Rockburst is catastrophic failure phenomena of rock mass and coal seam.
冲击地压是一种煤岩体的突然破坏现象。
8·The gas distributed rule of coal seam is the base of preventing gas hazard.
煤层瓦斯赋存规律研究是瓦斯灾害防治的基础。
9·Coal seam faults refer to those parallel to or intersected with seam at small angles.
顺煤断层是指断面沿煤层或与煤层呈小角度相交的断层。
10·The phenomenon of water vaporization during infusing water into coal seam was studied.
对煤层注水的水分蒸发现象进行了研究；
1·The average coal seam here is three feet thick.
这里的煤层平均为3英尺厚。
—— 《柯林斯英汉双解大词典》
2·The structural deformation is the principal geological factor that affects the thickness variation of coal seam on a mine field scale.
构造作用是控制井田范围内煤层厚度变化的主要地质因素。
3·Due to the coal seam particularity in Shendong Coal Mine, cracks appear at the radial seat of Eickoff SL500 shearer.
由于神东矿区煤层的特殊性，在使用艾柯夫公司SL500型采煤机时，摇臂座出现了裂缝。
4·Discussed the control factors forming hydrate in coal seam, and analyzed the characteristic of gas hydrate formation and decompose by experiment observe.
探讨了在煤层中瓦斯水合物生成的控制因素，并通过实验观察分析了瓦斯水合物生成和分解的特性。
5·The distribution patterns of underground coal seam is diversified. The plane distribution is only one of the simple curved surface distribution patterns.
地下开采煤层的分布形式多种多样，平面分布仅是曲面分布形式中的一种简单情况。