After the short-cut nitrification was realized, chemical dosage could be saved and short-cut nitrification maintained by means of changing the chemical dosing method.是什么意思_After the short-cut nitrification was realized, chemical dosage could be saved and short-cut nitrification maintained by means of changing the chemical dosing method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句