mercury-free

基本解释

• 无汞

同根派生

英汉例句

• The compo-sition and technology of the paper liner contained indiumsubstituting for mercury are described.
  无汞含铟浆层纸可用于无汞高功率电池。
• In view of the detrimental effect of mercury and chromium in determination of iron by means of dichromate titration, a new method was proposed containing no mercury and chromium.
  针对重铬酸钾法测定铁含量中汞和铬的有害影响，介绍了一种无汞无铬测定法。