"钨"相关例句(522)
15.OXYGEN ISOTOPIC STUDIES OF WOLFRAMITE IN TUNGSTEN ORE DEPOSITS OF SOUTH CHINA
16.STUDIES ON WHITE POWDERY TUNGSTIC ACID (Ⅱ)——THE PREPARATION OF VARIOUS METATUNGSTATES
19.In 1958, Ganzhou Concentration Plant was established and started its production. After 1963, tungstic acid, APT, W powder, WC powder and cemented carbide could be produced too.


