“open hole”的概念、定义、翻译、参考文献-科学参考

单词	open hole
释义	open hole [`ō·pǝn `hōl] ^ENGINEERING 1. A well or borehole, or a portion thereof, that has not been lined with steel tubing at the depth referred to. 2. An unobstructed borehole. 3. A borehole being drilled without cores. ^{PETROLEUM ENGINEERING} In an oil-drilling operation, the unprotected hole which lies below the shoes of the last landed string of casing.
随便看	meniscitis menisc-, menisco- Meniscotheriidae meniscus meniscus lens meniscus-Schmidt telescope Menispermaceae men-, meno- menometrorrhagia menopause menoplania Menoponidae menorrhagia menorrhalgia menorrhea menostasis menostaxis menses menstrual age menstrual cycle menstrual period menstruate menstruation menstruum mensuration

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