- billet scalping unit
- 畔剥皮装置
English-Chinese metallurgy dictionary. 2014.
English-Chinese metallurgy dictionary. 2014.
Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… … Universalium