• Arsenic and chromium based water-borne preservatives, especially CCA (chromated copper arsenate), have been partly replaced by some copper based preservatives.

    (CCA)代表的水载型防腐剂,逐渐其他主要有效成分为铜的水载型防腐剂取代,这类防腐剂中的。

    youdao

  • Arsenic and chromium based water-borne preservatives, especially CCA (chromated copper arsenate), have been partly replaced by some copper based preservatives.

    (CCA)代表的水载型防腐剂,逐渐其他主要有效成分为铜的水载型防腐剂取代,这类防腐剂中的。

    youdao

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