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intelligent drill pipe
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intelligent drill pipe
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钻井新技术与装备
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intelligent drill pipe
智能钻杆
通过在钻杆水眼中安装同轴电缆和两端接头的感应线圈,在不改变常规钻井工艺和传统操作习惯的前提下,实现井下与地面间信息高速、双向传输的特殊有缆钻杆。
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majorant criterion
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majorant estimation
Majorant function
majorant function
majorant game
majorant series
majorant series method
major arc
Major Atmospheric Gamma-ray Imaging Cherenkov Telescopes
major axis
Major Barbara
major bridge accident
major diagonal
major disease insurance system
major efficiency
major element
major elements in coal
major equipment (first set) insurance
major event emergency plan
major feedback
major fire
major flare
major function
major function-oriented zone
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