1) high location drilling field
高位钻场
1.
Aimed at the gas situation of the mining coal face in Xinghua Coal Mine,The experiences and existing problems of high location drilling field,strike drilling hole and gas drainage under suction in east No.
针对杏花煤矿采煤工作面的瓦斯情况,介绍了东一采区采用高位钻场走向钻孔抽放瓦斯的成功经验及存在问题,并根据不同的煤层赋存条件,不同的地质构造,来合理确定钻场的布置及钻孔参数,灵活运用采动卸压抽放并保证其充分发挥作用。
2) high level borehole
高位钻孔
1.
Theory and practices on high level borehole gas drainage technology;
高位钻孔瓦斯抽放技术理论与实践
2.
Gas drainage with high level borehole in roof applied to gas control;
顶板高位钻孔抽放在瓦斯治理中的应用
3.
Application of gas drainage technology with high level boreholes in Zhuzhuang Mine;
朱庄煤矿高位钻孔瓦斯抽放技术的应用
3) high-level borehole
高位钻孔
1.
Determination of high-level borehole gas drainage parameters;
高位钻孔瓦斯抽放参数的确定
4) high drill holes extracting
高位钻孔抽采
5) high position boring hole
走向高位钻孔
6) incline perch drill
倾向高位钻孔
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
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