?比色计
...比色计 absorptiometer; astm colorimeter; chromatometer; chromatoptometer; chromometer; chromometre; chromophotometer; chromophotometre; chromophtography; chromoptometer; chronometer; color comparator; color scale; colorimeter instrument; colour grader; colour tester; colourimeter instrument; colourimetre; comparison colorimeters; pycnometer; pyconmeter; tintmeter; tintometer..