英语词汇“appraisal drilling”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	appraisal drilling
释义	appraisal drilling appraisal drilling n (Mining & Quarrying) (in the oil industry) drilling carried out once oil or gas has been discovered in order to assess the extent of the field, the reserves, the possible rate of production, and the properties of the oil or gas
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