In order to make indicator card for measuring available chlorine, reaction colour of potassium iodide and available chlorine was used, and iodometry and the indicator card were compared.是什么意思_In order to make indicator card for measuring available chlorine, reaction colour of potassium iodide and available chlorine was used, and iodometry and the indicator card were compared.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句