2) elevation bore
仰角钻孔
1.
High position bores and elevation bores methane drainage technique can prevent gas problem successfully.
采用高位钻孔和仰角钻孔抽放瓦斯技术,有效地防止了瓦斯超限。
3) the upward slant hole
井下仰孔
4) the angle of altitude of punching machine
穿孔机仰角
5) upward oblique unwatering hole
仰斜疏干孔
1.
At the same time,the new concept of reinforcement of slope by means of integrating the uses of tendon framework and the upward oblique unwatering hole techniques are presented by author too.
阐述了预应力锚索框架的计算理论与应用方法,介绍了预应力锚索框架在深圳市龙岗区宝荷路高边坡加固工程中的应用和实际效果,提出用锚索框架结合仰斜疏干孔治理边坡。
6) up-hole water injection by intervals
仰孔分段注水
补充资料：仰仰
1.同"昂昂"。 2.气概轩昂貌。
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