Waa maxay sifooyinka Alloy 20?
- Iska caabbinta daxalka guud ee heer sare ah ee sulfuric acid
- Iska caabin heer sare ah oo ka dhan ah chloride stress dildilaaca daxalka
- Sifooyin farsamo oo heersare ah iyo wax-abuurid
- Roobabka carbide ugu yar inta lagu jiro alxanka
- Excels ee iska caabbinta daxalka ilaa asiidhyada sulfuric ee kulul
Waqtiga boostada: Agoosto-12-2020