... detailed prospecting 详细勘探 prospecting drill 探钻,勘探钻机,试钻... geophysical prospecting 地球物理探测法...
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offshore prospecting drill 滩海勘探钻机
The drill ship for Marine geological prospecting has successfully drilled a well for deep water oil prospecting in the Yellow Sea.
这艘海洋地质钻探船已成功地在黄海打了一口深水石油勘探井。
Based on the prospecting practices of many years, the paper has summarized 8 general lithologic features of core under normal stratigraphic sequence before drilling to the coal-beds in drill hole.
根据多年的勘查实践，总结提出了八条正常地层层序下钻孔见煤前的一般岩心岩性特征，对指导见煤预告等大有裨益。
For small rotary rock drill bits and rotary prospecting bits to cut soft, medium-hard rock.
用于中小规格冲击钻及旋转勘探钻具，凿进软岩层、中硬岩层。
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