“rotary rig”的概念、定义、翻译、参考文献-科学参考

单词	rotary rig
释义	rotary rig [`rōd·ǝ·rē `rig] ^{PETROLEUM ENGINEERING} The collective equipment used with a rotary drill; includes prime movers or engines, derrick or mast, hoisting and rotating equipment, drill pipe, drill collars and bit, and the mud system used to circulate drilling fluid.
随便看	grainer process grainer salt grain fineness number grain flow grain growth graininess graining grain leather grain neutral spirits grain size grain sorghum grain spacing gram gramagrass gram-atomic weight gram-calorie gram-centimeter Gram determinant gramenite gram-equivalent weight gram-force gramicidin Graminales Gramineae graminicolous

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