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单词 θ61372
释义
the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [noun] > filter aid (1)
filter aid1914

any of various powders used to increase the porosity of a filter cake and prevent it from blocking the filter.

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更新时间:2025/1/24 9:49:25