1) underwater drilling
水下钻孔
1.
The blasting design and implementation as well as the underwater drilling controlled blasting are discussed.
爆破过程中,保证了过往船只的安全,介绍了爆破设计、施工工艺等方面的水下钻孔控制爆破技术。
2.
Taking the example of the underwater reef blasting in waterway section of Pantan under the 2nd Phase Xijinag Project, the paper introduces the advantages of the application of improved YQ 100 downthehole drill for the underwater drilling, and it also provides some suggestions accordingly.
以西江二期滩航道水下炸礁施工为实例 ,介绍改进型YQ 10 0潜孔钻机在水下钻孔作业中的应用优势及建议。
3.
In underwater drilling ,the first thing to he faced is how the hole is drilling and how it is formed.
从复杂地质的构成、复杂地质对咸孔的影响以及复杂地质的处理这三方面进行了论述，为复杂地质条件下水下钻孔爆破的钻孔方法提出一些参考性意见。
2) Underwater drilling device
水下钻孔机
3) 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。
4) pouring concrete for drilling piles under water
钻孔桩水下灌注
5) underwater drilled caisson grouting
水下钻孔桩灌注
6) drill hole layout under water
水下钻孔布药
补充资料：地下水水资源评价(见水资源评价)
地下水水资源评价(见水资源评价)
d ixiashui shuiziyuan Ping】ia地下水水资源评价见水资源评价。
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