到19世纪末，不仅机械，土建，采矿和冶金工程得到了提高，还出现了较新的如化学和电气工程这样的专业。
By the end of the nineteenth century not only were mechanical, civil, and mining and metallurgical engineering established but the newer specialties of chemical and electrical engineering emerged.
冶金喷印标记设备融合了机械、电气、气动、计算机、检测及控制编程技术，是一个典型的机电一体化系统。
The marking equipment for the metallurgy is a typical mechanical-electrical system combined with mechanism, electronics, aerodynamics, computer, inspection, testing and control.
分金：冶金学中，将金和银用化学或电气化学方法进行分离的做法。
Parting: In metallurgy, the separation of gold and silver by chemical or electrochemical means .
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