常見例句雙語例句Trace arsenic and selenium in chromium-nickel alloy steel was determined by HITACHI Z-2000 atomic absorption spectrophotometer and relative experiment conditions were discussed.采用日立公司Z-2000原子吸收光譜儀對鉻鎳鋼中痕量砷和硒進行測定并討論相關(guān)的實驗條件。 返回 selenium steel