单词 | pre-drainage | ||
释义 | pre-drainage
例句释义: 预疏放水 1. In this study, a new horizontal pre-drainage system is suggested. 据此,提出了新水平预排水系统。 202.127.156.16 2. Among various ways of coal-bed gas drainage, pre-drainage from surface boreholes has the highest utilization value in industry. 煤层气抽排方式中,地面钻孔预抽排最有工业利用价值。 www.ceps.com.tw 3. Investigation and Application of Gas Pre- drainage Technique along Regional Bedding Strip in Coal Seams with Low Gas Permeability 区域顺层条带预抽瓦斯防突技术在低透气煤层中的考察应用 service.ilib.cn 4. Controlled blasting technique to improve gas pre-drainage effect in a coal mine 提高煤矿瓦斯抽放效果的控制爆破技术 www.ilib.cn 5. Using Gas Desorption Index to Determining Gas Pre-drainage Rate of Outburst Seam 利用瓦斯解吸指标确定突出煤层瓦斯预抽有效抽放率 www.ilib.cn 6. Mine gas pre- drainage through underground horizontal boreholes 利用多边横向钻孔进行矿井瓦斯抽放研究 ilib.cn 7. Test of Improving Gas Pre- drainage Effect from Cross- seam Holes by Hole Enlargement with Water Jet 高压水射流扩孔提高穿层钻孔预抽效果的试验 www.ilib.cn 8. Preliminary Application of Gas Pre-drainage from Coal Seam by Long Holes in Heading Face to Prevent Coal and Gas Outburst 掘进工作面应用长钻孔预抽煤层瓦斯防止煤与瓦斯突出的效果 www.ilib.cn 9. Probing into Regional Gas Pre-drainage by Long Holes along Coal Seam 利用顺煤层长钻孔工艺实行区域性预抽瓦斯的探索 www.ilib.cn 10. Teat on Rational Bore-hole Parameters of Gas Pre-drainage by Holes along Seam in Chengzhuang Mine 成庄矿顺层钻孔预抽煤层瓦斯的合理钻孔参数试验 www.ilib.cn 1. Study and analysis on gas pre-drainage results of coal mining face 工作面瓦斯预抽效果考察与分析 service.ilib.cn |
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