- main drawworks drum
- Нефтегазовая техника главный барабан буровой лебёдки
Универсальный англо-русский словарь. Академик.ру. 2011.
main drawworks drum
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Draw-works — A draw works is the primary hoisting machinery that is a component of a rotary drilling rig. Its main function is to provide a means of raising and lowering the traveling blocks. The wire rope drilling line winds on the drawworks drum and extends … Wikipedia
