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Non-chromium

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  • 无铬

双语例句

    1. 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。

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