“external upset”的概念、定义、翻译、参考文献-科学参考

单词	external upset
释义	external upset [ek`stǝrn·ǝl `ǝp´set] ^{PETROLEUM ENGINEERING} A thick wall on the exterior of the threaded end of a drill pipe or tubing.
随便看	pentaborane pentachloride pentachloroethane pentachloronitrobenzene pentachlorophenol pentacite pentacosane pentacrinoid pentactinal pentacula pentacyanium bis\\(methyl sulfate\\) pentad pentadactyl pentadecagon pentadecane pentadecanolide pentadelphous pentadentate ligand pentadiene pentaerythritol pentaerythritol tetranitrate pentaerythritol tetrastearate pentafluoride pentagon pentagonal dodecahedron

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