英语词汇“casing spear”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	casing spear
释义	casing spear casing spear [′kā·siŋ ‚spir] (petroleum engineering) An instrument used for recovering casing which has accidentally fallen into the well.
随便看	microscope objective thread microscope optique à contraste de phase microscopes microscope slide microscope slides microscope stage microscope stand microscopial microscopic microscopic agglutination test microscopical microscopical anatomy microscopical diagnosis microscopically microscopically assisted percutaneous nucleotomy microscopically controlled surgery microscopic anatomy microscopic anisotropy microscopic appearance of bone microscopic appearance of gingivae microscopic black hole microscopic colitis microscopic diminishing abrasive technology microscopic esophagitis microscopic examination radiograph

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