abortive exploration expenditure 无成果勘探支出...exploration n.探险,踏勘,探测探察勘探,...oil exploration 石油勘探...offshore exploration 海上勘探,近海勘探...exploration cost 勘探成本...exploration expenditure 勘探费用...exploration costs in extractive industries 采掘工业中的勘探成本...research surveying and exploration 研究查勘费...free-well arrangements for sharing exploration work in petroleum industry 石油工业分享勘探成果的自由钻井...expert system for mineral exploration 矿物勘探用专家系统...market exploration 市场探测...cost of exploration and appraisal of the field 油田勘探与评估的费用...
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