1) the upward slant hole
井下仰孔
2) the upward slant hole observing method
井下仰孔测漏法
3) underground deep hole
井下深立孔
5) underground hydrographic drilling
井下水文钻孔
1.
By the analysis of the cause for inrushing water in underground hydrographic drilling,puts forward some controlling plan,and summarizes the experience and lesson so as to avoid the similar borehole accident such as layout,grouting and drilling and so on,also provides some references and helps for the similar drilling and safety construction.
对井下水文钻孔突水原因进行了分析,提出治理方案总结了经验和教训,从钻孔布置、注浆和钻探施工等方面避免类似钻孔事故的出现,为同类钻孔的安全施工提供了借鉴和帮助。
6) conductor hole
下导管用的井孔
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