COC concentrations in collected samples was 1.79~2.05mg/L, occupying 8.11%~22.13% of total dissolved organic carbon (DOC).是什么意思_COC concentrations in collected samples was 1.79~2.05mg/L, occupying 8.11%~22.13% of total dissolved organic carbon (DOC).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句