以下为句子列表：
英文: In order to enhance the gas drainage effect in a working face with low permeability and high concentration of gas, the new methane drainage technology is studied.
中文: 摘要为提高低透气性、高瓦斯煤层工作面的瓦斯预抽效果，对工作面瓦斯抽放新技术进行了研究。
更详细...
英文: The geology characteristics of the coal field and the distribution characteristics of the CBM (coal-bed methane) resourse in China were analyzed briefly, and the technologies of methane drainage and CBM utilization and its suitablity were researched, and
中文: 摘要简要分析了我国煤田地质特点以及煤层气资源分布特征，总结了瓦斯抽放及煤层气开发技术及其适应性，剖析了煤矿瓦斯治理及煤层气开发的技术难题，提出了促进和加强我国煤矿瓦斯治理的强化瓦斯抽放，坚持先抽后采，因地制宜选择瓦斯抽放方法等技术对策。
更详细...
英文: Traditional gas drainage techniques, such as drilling roof holes from tailgate or drilling inseam and cross-measure holes, sometimes can not meet the requirements of methane drainage for a modern longwall operation.
中文: 传统的高位钻孔、(本) 煤层钻孔及穿层钻孔抽放技术有时不能完全满足现代化煤矿生产对瓦斯抽放的要求。
更详细...
|
