| 单词 | directional drilling |
| 释义 | directional drillingnouna 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 fieldAlso called: deviated drilling Words nearby directional drillingdirect injection, direct input, direction, directional, directional derivative, directional drilling, directional microphone, direction angle, direction cosine, direction finder, direction number Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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