If DO under 1.0 mg/L, the main processof nitrification was via nitrate and the rate of nitrification via nitrate was high.是什么意思_If DO under 1.0 mg/L, the main processof nitrification was via nitrate and the rate of nitrification via nitrate was high.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句