APP A measure of the free acid pre-sent in fats,oils,resins,plasticizers,andsolvents,defined as the number of milligramsof potassium hydroxide required to neutralizethe free acids in one gram of the substance.測量脂肪、油脂、樹脂、可塑劑、溶劑中游離酸含量的值。其數值為中和......（本文共 229 字） [閱讀本文] >>
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