petroleum drilling meaning in English

石油钻井
石油钻探

Development trends of the global petroleum drilling market
国际石油钻井市场发展趋势
Database file formats for petroleum drilling engineering
石油钻井工程数据库文件格式
Specification for grading appraisal of petroleum drilling derricks
石油钻井井架分级评定规范
The present situation and trend of the control techniques of petroleum drilling
石油钻井控制技术的现状与发展趋势
Pneumatic components for petroleum drilling and production equipment - swivel joint
石油钻采设备用气动元件旋转导气接头

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