1) drainage quantity
抽放量
1.
Different drainage quantity from different drillings is observed and statistic,and numerical analysis method is used to drainage performance,and this can provide reference for raising gas drainage rate.
文章通过对不同钻孔瓦斯抽放量的观测统计,采用数值分析手段,分析比较了钻孔的抽放能力,为矿井提高瓦斯抽放率提供参考依据。
2) drawing and deflating flux
抽放流量
3) drainage
[英]['dreɪnɪdʒ] [美]['drenɪdʒ]
抽放
1.
Technical characteristics of high efficient CMM drainage in Poland;
波兰煤矿瓦斯高效抽放技术特点
2.
Directional Drilling for Methane Drainage in Advance of Mining;
采前瓦斯抽放定向钻进技术
3.
Gas drainage technology for fully mechanized caving mining face in high gas outburst seam;
高瓦斯突出煤层综放工作面瓦斯抽放技术
4) gas drainage
抽放
1.
The paper introduced the tes of the gas drainage method for the heading face in seam with outburst potential.
介绍了突出煤层掘进工作面瓦斯抽放方法试验,考察得出了巷帮长钻孔,并利用工作面深孔爆破技术来增大煤层透气性,抽放卸压瓦斯效果较为理想,大大减少了突出危险性,安全提高了煤巷单进。
2.
Gas concentrations drop,and the effective gas drainage period of holes is shortened,because pores and cracks in the coal seam become completely developed after gas drainage.
针对煤层钻孔抽放瓦斯后煤层孔隙裂隙发育致使瓦斯浓度下降,钻孔有效抽放期缩短的技术难题,首次提出二次封孔方法。
5) suction
[英]['sʌkʃn] [美]['sʌkʃən]
抽放
1.
Research on Gas Suction Parameters Optimization of Taoyuan Coal Mine;
桃园煤矿瓦斯抽放参数优化研究
6) heat extraction
除热，抽出热量，放热
补充资料：抽抽趔趔
1.犹言别别扭扭。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条