An apparatus used in sinking an oil or gas well; spec. an oil rig.
| 单词 | θ213353 |
| 释义 | society > occupation and work > equipment > oil and natural gas recovery equipment > [noun] > apparatus for well-sinking (6) rig1875 An apparatus used in sinking an oil or gas well; spec. an oil rig. oil rig1876 a structure that supports the drill and other machinery used in drilling for oil. exploration rig1974 attributive. Of or relating to searching and testing for natural resources, esp. oil; as exploration rig, exploration well, etc. Cf. sense 3. Subcategories:— type of (3) |
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