selenium steel
常见例句
- Trace arsenic and selenium in chromium-nickel alloy steel was determined by HITACHI Z-2000 atomic absorption spectrophotometer and relative experiment conditions were discussed.
採用日立公司Z-2000原子吸收光譜儀對鉻鎳鋼中痕量砷和硒進行測定竝討論相關的實騐條件。 返回 selenium steel