1) low permeability coal seam
低渗透煤层
1.
Testing study of methane drainage by bore and hydraulic-cutting seam from low permeability coal seam;
低渗透煤层钻孔与水力割缝瓦斯排放的实验研究
2) low permeability coal
低渗透率煤层
4) low permeability layer
低渗透层
5) low permeability coal bed
低渗煤层
1.
To discuss influencing regularity of temperature,pore pressure and confining pressure to low permeability coal bed,using true triaxial permeameter of Liaoning Technical University,the permeability of coal bed model was studied at the different temperatures and confining pressures.
为探讨温度和孔隙压力以及围压对低渗煤层渗透率的影响规律,采用辽宁工程技术大学"真三轴渗透仪",在不同温度和围压条件下,对煤层试样进行实时渗透率研究,试样为长方体,外观尺寸为50 mm×50 mm×100 mm。
补充资料：低都儿低
1.低而又低，很低。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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