“wrap-around hanger”的概念、定义、翻译、参考文献-科学参考

单词	wrap-around hanger
释义	wrap-around hanger [`rap ǝ¦rau̇nd `haŋ·ǝr] ^{PETROLEUM ENGINEERING} An oil-well tubing hanger made up of two hinged halves with a resilient sealing element between two steel mandrels.
随便看	niobe oil niobic acid niobite niobium niobium carbide nip Nipher shield Nipkow disk nippers nipping nipple nipple chaser Nippotaeniidea Nissen stamp Nissl bodies nit Nitelleae niter niter balls niter cake Nitidulidae nitrate nitrate mineral nitratine nitrating acid

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