They're studying practical things like marble work, metal work, and copper work, not just shipbuilding.
他们学习一些诸如大理石打磨，金属冶炼和铜器制造的实用技术，而不仅仅是造船术。
This welding process joints work pieces by melting the electrode and the base metal with the heat from the electric arc between the electrode and the work piece.
它是一种利用焊条与工件之间电弧产生的热量熔化焊条和母材而将被焊工件连接起来的焊接方法。
The paper introduces the work which the author got from the development work of stress fracturing material emerged in the non ferrous metal.
通过有色金属应力断料中的开拓性工作，从微细观层次上解释了应力切断断口上裂纹源的形成，以及裂纹扩展的物理过程；
They're studying practical things like marble work, and metal work, and copper work, and not just shipbuilding.
他们学习一些实用的东西，比如大理石打磨，金属冶炼和铜器制造，并且不仅仅是造船术。
This mirrors the shift of American industry away from manual activities such as woodworking, sheet-metal work, and welding to more technologically sophisticated work using computer-assisted equipment.
这反映了美国工业从诸如木工艺，板金加工，焊接等体力活到通过计算机辅助设备进行更先进，更有技术含量的操作的转变。
The feasibility of metal-ceramic gradient coating on the work surface of BF tuyere was proved, and the superiority of HVOF tie coating on the work surface of BF tuyere was confirmed.
证明了在风口上喷涂金属-陶瓷梯度热障涂层的可行性以及利用HVOF打底层制备金属-陶瓷热障层的优势。
He emphasizes that the guideline for research work is to serve the industry. Now, there are three important features in metal-cutting research work: A better understan…
切削过程机理的研究、计算机的大量应用和应用优化理论、统计数学进行优化设计，是研究中的三个重要特征。
He emphasizes that the guideline for research work is to serve the industry. Now, there are three important features in metal-cutting research work: A better understan…
切削过程机理的研究、计算机的大量应用和应用优化理论、统计数学进行优化设计，是研究中的三个重要特征。
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