alloy silver powder
常见例句
- The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.
浸出渣用碳酸钠还原,再用硝酸分解金银合金,然后用锌粉置换银。
ip.com 返回 alloy silver powder