Indicator paper
volume
British pronunciation/ˈɪndɪkˌeɪtə pˈeɪpə/
American pronunciation/ˈɪndᵻkˌeɪɾɚ pˈeɪpɚ/

"indicator paper" 的定义和意义

Indicator paper
01

指示纸

a special paper treated with chemicals that change color in response to certain conditions, used to test for the presence of specific substances or measure pH levels
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