core-drilling exploration

基本解释

• [地球科学]岩心钻进勘探取心钻井勘探

英汉例句

双语例句

• Hydro-hammers provide high penetration rate in hard rocks, less borehole deviation, and high core recovery in exploration drilling. The technology has been established and its uses are being extended.
  液动锤在钻探施工中具有能提高硬岩钻进速度、减小孔斜和提高岩心采取率等优点，技术成熟，应用领域正在拓宽。
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专业释义

地球科学

• 岩心钻进勘探
• 取心钻井勘探