短語詞組短語active e carbon 活性炭;放射性碳;活性碳active white carbon black 活性白炭黑powder active -carbon 粉末活性炭active organic carbon pool 活性有機碳庫active alkali carbon 活性碳soil active organic carbon 土壤活性有機碳active organic carbon 活性有機碳active biological carbon 活性生物炭active white carbon 活性白炭黑 返回 active carbon