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nephelometric turbidity units
el. 浊度比测计
oil.proc. 散射浊度计浊度单位
nephelometric turbidity unit
earth.sc. 浊度测定仪
tech. 散射 (单位); 测浊度的浊度单位
 English thesaurus
nephelometric turbidity units
metrol. Turbidity in water is measured in units called NTU's, or nephelometric turbidity units. It is calculated by measuring the dispersion of a light beam passed through a sample of water