“Smeaton boring machine”的概念、定义、翻译、参考文献-科学参考

单词	Smeaton boring machine
释义	Smeaton boring machine Encyclopedia 理学〔国外矿冶史〕释 Smeaton boring machine斯密顿镗床英国工程师J.斯密顿（John Smeaton，1724～1792）发明的一种用水车作为动力的切削汽缸内圆的卧式机床。
随便看	signed directed graph method signed distance signed graph signed measure signed measure space signed-minor signed number signed rank signed rank statistic signed rank test signed tree signed value signed volume signer sign function sign graph significance significance arithmetic significance level significance point significance probability significance test significant significant bit significant construction project of scenic and historic areas

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