Originally: used to drill a downhole; of or relating to the drilling of downholes. In later use also: located, performed, occurring, or used within…
| 单词 | θ210440 |
| 释义 | society > occupation and work > industry > drilling for oil or gas > [adjective] > used or performed in well (2) downhole1895 Originally: used to drill a downhole; of or relating to the drilling of downholes. In later use also: located, performed, occurring, or used within… downwell1946 Located, used, or occurring within the underground shaft of an oil well. Cf. downhole, adj. |
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