mercury-free

常见例句

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。