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Subject: telescopic lip Пожалуйста, помогите перевести.core head groove - ?
telescopic lip - ? Выражение встречается в следующем контексте:
The Halliburton Telescopic Lip Shoe is designed core quality and core recovery in a variety of coring
applications.
In cases where the system features a telescopic lip that is continuously driven into the core head groove by means of mud pressure and gravity. Заранее спасибо
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