“primary standard for OCTG threads”的概念、定义、翻译、参考文献-科学参考

单词	primary standard for OCTG threads
释义	primary standard for OCTG threads Encyclopedia 工学螺纹计量技术释 primary standard for OCTG threads石油螺纹参量计量基准用以复现和保存石油螺纹的量值。在中国是作为石油螺纹参量定值依据的测量装置。
随便看	spectral process spectral projections spectral projector spectral property spectral purity spectral radiance spectral radiant emissivity spectral radiant emittance spectral radiant energy spectral radiant energy density spectral radiant exitance spectral radiant flux spectral radiant intensity spectral radiant power spectral radiant power calibration spectral radiant power responsivity calibration spectral radiation spectral radiometric calibration spectral radius spectral radius of a matrix spectral range spectral reconstruction spectral reflectance standard spectral reflectivity spectral region

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