... directional derivative 方向导数 directional drilling 定向钻孔 directional relay 定向继电器,极化继电...
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长输天然气管线特殊地段的穿越施工 - xzbu.com 中国论文网 关键字：定向钻;埋深;方案;连头;降水 [gap=788]Key words: directional drilling; buried depth; scheme; head; precipitation
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horizontal directional drilling 水平定向钻井 ; 水平定向钻进 ; 水平定向钻机 ; 技术
optimized directional drilling 优化定向钻井
Directional Drilling Engineer 定向井工程师 ; 定向工程师
Directional Drilling Supervisor 定向监督
directional drilling machine 定向钻机
directional drilling package 定向钻井程序包
directional drilling contractor 定向钻井承包商
multi hole directional drilling 多开眼定向钻井
·2,447,543篇论文数据，部分数据来源于NoteExpress
N a method of drilling for oil in which the well is not drilled vertically, as when a number of wells are to be drilled from a single platform to reach different areas of an oil field (石油勘探)定向钻井法 (Also called deviated drilling)
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