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Meaning of top drive | Babel Free

Noun CEFR B2

Definitions

A mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

top drop top edge Top End top end of town Top Ender top feed

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