1) drainage quantity
![点击朗读](/dictall/images/read.gif)
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
![点击朗读](/dictall/images/read.gif)
抽放流量
3) drainage
[英]['dreɪnɪdʒ] [美]['drenɪdʒ]
![点击朗读](/dictall/images/read.gif)
抽放
1.
Technical characteristics of high efficient CMM drainage in Poland;
![点击朗读](/dictall/images/read.gif)
波兰煤矿瓦斯高效抽放技术特点
2.
Directional Drilling for Methane Drainage in Advance of Mining;
![点击朗读](/dictall/images/read.gif)
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
![点击朗读](/dictall/images/read.gif)
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]
![点击朗读](/dictall/images/read.gif)
抽放
1.
Research on Gas Suction Parameters Optimization of Taoyuan Coal Mine;
![点击朗读](/dictall/images/read.gif)
桃园煤矿瓦斯抽放参数优化研究
6) heat extraction
![点击朗读](/dictall/images/read.gif)
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