top drive (0 synonym found)

We don't have any synonyms for top drive yet.

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Definition of top drive:

(n) : (oil industry) A mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole.
Definition of top drive:

(n) : (oil industry) A mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole.
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