DictionaryForumContacts

   Chinese
Terms for subject Technology containing 氢离子 浓度 指数 | all forms | in specified order only
ChineseEnglish
氢离子浓度指数比色标准序列standard colorimetric colour for pH measurement
氢离子浓度指数比色用的指示剂colorimetric indicator for pH
氢离子浓度指数调节pH control