开采煤层 meaning in English
working seam
Examples
- Study of the mechanism of increasing production of kh 2d exploitation coal bed methane by gas injection
注气开采煤层气增产机制的研究 - Study on coal seam roof gas drainage from the strike of annular fracture areas by the long drill method
开采煤层顶板环形裂隙圈内走向长钻孔法抽放瓦斯研究 - This paper introduces the development status of coal - bed gas , stimulation measures and the characteristic of coal seams in china , and points out that the resource of coal - bed gas is very rich in china , but the level of exploration and development is not high enough
摘要介绍了国内外煤层气开采现状、增产措施以及我国煤层气储层的特点，指出我国煤层气资源虽然十分丰富，但其勘探与开发水平还不高；我国煤层气储层的特点，决定了我国开采煤层气的难度较大。