“adapter spool”的概念、定义、翻译、参考文献-科学参考

单词	adapter spool
释义	adapter spool [ǝ`dap·tǝr ´spül] ^{PETROLEUM ENGINEERING} A device for connecting blowout preventers of different sizes or capacities to the casinghead.
随便看	mine examiner mine fan signal system mine field mine field gap mine field lane mine fire truck mine foreman mine hoist mine inspector mine jeep minelite mine locomotive mine-planting equipment mine props miner mine radio telephone system mineragraphy mineral mineral acid mineral additive mineral black mineral caoutchouc mineral charcoal mineral cotton mineral deposit

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