drilling deviation control
drilling deviation control
钻井斜控
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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At present the study on gas drilling in terms of borehole deviation mechanism and control method is very few and has not form a theory of large scale systems at home and aboard.
国内外对气体钻井井斜机理及控制方面研究较少，还没有形成系统的理论和技术。
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