“retrievable inner barrel”的概念、定义、翻译、参考文献-科学参考

单词	retrievable inner barrel
释义	retrievable inner barrel [ri`trēv·ǝ·bǝl `in·ǝr `bar·ǝl] ^ENGINEERING The inner barrel assembly of a wire- line core barrel, designed for removing core from a borehole without pulling the rods.
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