“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.
随便看	direct code direct command guidance direct connect direct-connected direct connect modem direct-contact condenser direct control direct control function direct cost direct-coupled direct-coupled amplifier direct-coupled FET logic direct-coupled transistor logic direct coupling direct current direct-current amplifier direct-current circuit direct-current circuit theory direct-current component direct-current continuity direct-current coupling direct-current discharge direct-current dump direct-current electrode negative direct-current electrode positive

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