“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	bivalent chromosome bivalve Bivalvia bivane bivariate distribution biventer bivittate bivium bivoltine bivouac bixbyite bixin bize Bk BL Blaauw mechanism black black acids black alkali black amber black-and-white groups black-and-white television black annealing black area black ash

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