The strengthening methods of copper and copper a…
To create a global scientific and technological …
Recently, the State Electric Power Corporation h…
ABSTRACT: through the analysis of annealing tech…
Leakage occurred during the sealing hydraulic pr…
At its core the push for carbon peaks and car…
ABSTRACT: The rapid development of marine indust…
In recent years, the dependence of China's c…
Brass is binary copper-zinc alloy, also known as…
According to Bloomberg, the world's largest …
18638867822
