“hanger plug”的概念、定义、翻译、参考文献-科学参考

单词	hanger plug
释义	hanger plug [`haŋ·ǝr ´plǝg] ^{PETROLEUM ENGINEERING} A pressure-tight sealing device placed in the casing below the blowout preventer.
随便看	bearing bearing angle bearing bar bearing bronze bearing cap bearing capacity bearing circle bearing cursor bearing distance bearing loss bearing partition bearing pile bearing plate bearing pressure bearing resolution bearing strain bearing strength bearing stress bearing test bearing wall bear trap gate beat beat Cepheid beater beater mill

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