The cleaning active system is comprised of a solid oxidizing agent and a metal chelating agent or a carbonate.

所述清洁活性体系包括固体氧化试剂和金属螯合剂或碳酸盐。

youdao

The cleaning active system is comprised of a solid oxidizing agent and a metal chelating agent or a carbonate.

所述清洁活性体系包括固体氧化试剂和金属螯合剂或碳酸盐。

youdao