zá zhì
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Chinese dictionary
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  • 1

    n.foreign matter or substance; impurity; inclusion

    • qīng lǐ zá zhì

      清理杂质

      remove impurities

    • shuǐ zhōng de zá zhì

      水中杂质

      impurities in water

  • 2

    n.foreign matter (or substance)

    • gōng yè zhì yǎng tí qǔ de yǎng qì chún dù jiào gāo qí zhōng de zá zhì shì wēi hū qí wēi de

      工业提取氧气纯度其中杂质微乎其微

      The purity of oxygen extracted from industrial oxygen production is high, and the impurities are very small.