“measurement standards for general purpose metric screw threads”的概念、定义、翻译、参考文献-科学参考

单词	measurement standards for general purpose metric screw threads
释义	measurement standards for general purpose metric screw threads Encyclopedia 工学螺纹计量技术释 measurement standards for general purpose metric screw threads普通螺纹计量标准装置为普通螺纹量规参量提供参考值的计量标准装置。
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