英语词汇“preconcentration”的读音、翻译、释义、用法及例句-开邑网

词汇	preconcentration
释义	preconcentrationpreconcentration[ˈpri:kɔnsenˈtreiʃən]n.1.■预选,预富集,预浓缩
随便看	oxidation of lubricating oil oxidation oven oxidation panel oxidation period oxidation pit oxidation polymerization oxidation pond oxidation pond process oxidation potential oxidation preventive oxidation process oxidation products oxidation promoter oxidation rate oxidation reaction oxidation reduction oxidation-reduction oxidation reduction catalyst oxidation-reduction cell oxidation reduction cell oxidation-reduction electrode oxidation-reduction enzyme oxidation-reduction equilibrium oxidation-reduction indicator oxidation-reduction method

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