HPQSJF resolves the problem of methane accumulation at upper coign corner effectively when it is applied in practice. The result of industrial experiment proves HPQSJF to be worthy of economy and society.
通过将高压水射流风机应用于采煤现场，有效地解决了上隅角瓦斯积聚问题，现场工业性实验结果体现高压二次旋转水气射流风机的经济价值和社会价值。
参考来源 - 高压二次旋转水气射流风机治理上隅角瓦斯技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Only in coal bed methane accumulation area with higher saturation and permeability is the favorable area for coal bed methane exploration and development.
并认为只有在含气饱和度较高的煤层气藏，且具有较高的渗透率，才能成为煤层气勘探的有利区块。
Enrichment and accumulation of coalbed methane in low rank coal have their own unique characteristics.
低煤阶煤层气富集成藏具有自身独特的特点。
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