1.
Analysis on Mining Released Gas Sources for Surface Borehole Drilling and Gas Drainage
地面钻井抽采采动卸压瓦斯来源分析
2.
The Applied Research of Gas Drainage Technology in the Goaf of Full-Mechanized Mining Working Face
综采工作面采空区瓦斯抽采技术的应用研究
3.
L-surface Gas Drainage Drilling and Extraction Equipment Optimization of Pipeline System
地面“L”型钻井瓦斯抽采设备与抽采管路系统优化探讨
4.
Study on the Technique of Gas Drainage Along the Striking in Steep Seam Gob;
急倾斜煤层采空区瓦斯抽采技术的研究
5.
Research on Maximize Technology of Extraction Mining with Drilling Through Coal Seam in Protective Coal Seam
保护层开采穿层钻孔抽采最大化技术研究
6.
Influencing factors to extraction efficiency of surface goaf hole
地面钻孔抽采采空区瓦斯效率影响因素
7.
Analysis of Surface Shaft Drilling Goaf Gas Extraction at Tunliu Mine
屯留煤矿地面钻井采空区瓦斯抽采分析研究
8.
Application of Large-diameter Borehole in the Process of Gas Comprehensive Management in Coal Face
大直径抽采钻孔在采面瓦斯综合治理中的应用
9.
Comprehensive Gas Drainage Technology of Fully Mechanized Mining Face in Seam with Soft Roof,Soft Coal and Soft Floor
三软厚煤层综采工作面瓦斯综合抽采技术
10.
Research on Parameters of Gas Drilling Bore in Steep Coal Seam Gob
急倾斜煤层采空区瓦斯抽采钻孔参数研究
11.
Economic evaluation model for coal mine methane drainage and utilization project;
煤矿瓦斯抽采利用项目经济评价模型
12.
Extraction Mechanism of Relieved Gas from Low Permeability Seam
低渗透性煤层卸压瓦斯抽采机理研究
13.
Current Situation of Gas Suction and Improvement Countermeaures in Collieries of Hunan Province
湖南省煤矿瓦斯抽采现状与整治对策
14.
random sampling
随机抽样,随机采样
15.
Study on Technology of Gas Draining While Mining in Working-face;
回采工作面边采边抽瓦斯抽放技术研究
16.
Mr president, thank you for your time.
主席先生，谢谢您抽时间接受采访。
17.
Arc ignition: retracting and scraping.
引弧可采用“回抽”、“刮擦”起弧方式.
18.
Smokers would probably not be able to use the inhaled insulin.
抽烟者可能不会采用吸食性的胰岛素。