1 . 冶金学
...and the development of science and, in many cases,metallurgy(冶金学) and writing sustems.The earliest civilization, Sumer, developed in the.
2 . 冶金
metallurgist 冶金业、冶金学者metallurgy冶金、冶金术meteorology 气象学、气象状态
3 . 冶金术
metallurgist 冶金业、冶金学者metallurgy冶金、冶金术meteorology 气象学、气象状态
4 . 冶金中
application of the microwave heating technology in the titanium metallurgy., 微波加热在钛冶金中的应用.