- quarter-wave vibrator
- четвертьволновый вибратор
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
quarter-wave vibrator
Смотреть что такое "quarter-wave vibrator" в других словарях:
Drill string — A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied as the assembled collection of… … Wikipedia
