selenium steel
常見例句
- 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(cǎi)用日立公司Z-2000原子吸收光譜儀對(duì)鉻鎳鋼中痕量砷和硒進(jìn)行測(cè)定竝討論相關(guān)的實(shí)騐條件。 返回 selenium steel