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解释作层状分布在地下的煤
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英语coal rake
藏于地下作层状分布的煤矿。
1. 煤层开采对环境造成了严重破坏。
2. 煤矿工人在深入煤层作业。
3. 煤层的厚度直接影响煤矿的产量。
4. 煤层中的煤炭资源丰富，具有很高的经济价值。
5. 煤层的形成需要经历漫长的地质年代。
coal rake-煤层;
coal seam-煤层;
coal bed-煤层;
coal measures-煤层;
1.The average UK coal seam is one metre thick.
英国煤层的平均厚度为1米。
柯林斯例句
2.He is busy with proving up a coal deposit.
他正忙于勘探煤层.
辞典例句
3.The degree of carbonization of coal depends on the temperature.
煤层的炭化程度取决于温度.
辞典例句
4.Coal seams intermixed with iron ore.
煤层和铁矿混杂在一起.
辞典例句
5.The thicker coal seams are located in a 10 - 15 kmwide belt along which the channel meanders.
较厚的煤层位于河道发生弯曲的、宽10-15公里的地带内.
辞典例句
6.Finally hydromining method, an inareawere found through comparison between various mining methods.
通过多种采煤方法的试验 、 比较后,找到了一种对复杂煤层适应性较强的采煤方法——水力采煤方法.
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7.Spontaneous combustion of coal constitutes a very serious problem in North China.
中国北方煤田煤层自燃现象非常严重.
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8.Coal Mine, its coal seam is easily spontaneous fire.
大雁二矿煤种为褐煤, 属易自燃发火煤层.
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9.The most were taken place in fold axis and fault.
其中大部分发生在褶曲轴部和断层附近,其次是煤层厚度变化处.
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10.Micro - Stitched and 100 % Seam Taped for maximum waterproof protection.
微缝合及100%煤层录音最大的防水保护.
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11.Roadway heading is the forerunner for clearly knowing coal bed geological conditions.
掘进巷道是全面、准确了解矿井煤层地质条件的先导.
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12.The coal bed has better capacity of storing gas.
煤层具有较高的贮气能力.
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13.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.
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14.The Gaussian curvature of No.3 coal seam in Qinshui basin is calculated.
计算了沁水盆地3号煤层的高斯曲率.
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15.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.
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