colour indicator meaning in English

彩色指示器

Method for determination of total acid number in petroleum products by semi - micro colour indicator titration
采用半微量彩色指示器滴定法测定石油产品中的总酸值
Methods of test for petroleum and its products - determination of bromine number - colour indicator titration method
石油及其产品的试验方法.溴值的测定.颜色指示剂滴定法
Methods of test for petroleum and its products - determination of acidity , neutralization value - colour indicator titration method
石油和石油产品的试验方法.酸度中和值的测定.颜色指试剂滴定法
Methods of test for petroleum and its products - determination of neutralization value of bitumen - colour indicator titration method
石油和石油产品的试验方法.沥青的中和值的测定.颜色指示剂滴定法
Methods of test for petroleum and its products - determination of inorganic acidity of petroleum products - colour indicator titration method
石油及其产品的试验方法.石油产品无机酸度测定.颜色指示剂滴定法