基本解释[能源科學技術]光點密度計英汉例句雙語例句The reading aperture of a densitometer refers to the size of the spot it will measure.濃度計的讀書開口提到大小它將測量的斑點。词组短语短語Vitatron flying -spot densitometer 維他通型快速測斑光密度計专业释义能源科學技術光點密度計