rotary drilling turntable

Игры ⚽ Нужна курсовая?

rotary table — rotary table, a heavy steel turntable which turns the bit in drilling for oil … Useful english dictionary
petroleum production — Introduction recovery of crude oil and, often, associated natural gas from the Earth. petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and … Universalium

Словари и энциклопедии на Академике