drilling pipe
美英
        - un.钻井管
 - 网络钻杆;钻井管材
 
drilling pipedrilling pipe
钻杆
Follow geological target while drilling_翻译 ... 钻井: drilling technology 钻杆: Drilling Pipe 钻井: drilling ... 
                钻井管材
钻井业专业词汇英语翻译_专业词汇_英文阅读网 ... 钻杆 drill stem 钻井管材 drilling pipe 钻井过程 drilling process ... 
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