1) Drained rate
抽放率
2) gas drainage under suction
瓦斯抽放率
1.
Testing research of improving mine gas drainage under suction by controlling blasting to cause crack;
控制爆破致裂提高矿井瓦斯抽放率试验研究
3) drainage
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。
5) suction
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) exhaust
抽放
1.
In order to solve the problem of gas outburst in the east mining field of Shangzhuang Mine, a floor rock drivage along and ahead of 3652 floor crossheading is used for digging suction hole to exhaust gas to ensure the safety construction of 3652 crossheading roadway.
为解决尚庄井东翼采区的防突问题,在3652顺槽底板中掘一条底板岩巷,超前于3652顺槽,利用岩巷打煤层抽放孔,预抽3652顺槽前方及两帮瓦斯,使3652顺槽煤巷安全施工。
参考词条
补充资料：放率
1.豪放真率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。