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释义
society > occupation and work > equipment > oil and natural gas recovery equipment > [noun] > apparatus for well-sinking > type of (3)
drilling rig1901

= rig, n.3 2d.

jack-up1961

More fully jack-up rig. A type of offshore drilling rig consisting of a floating hull and several movable supports which can be raised above the…

exploration rig1974

attributive. Of or relating to searching and testing for natural resources, esp. oil; as exploration rig, exploration well, etc. Cf. sense 3.

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