A deep treatment pilot test was made on micropolluted source water with combined technique of O3 preoxidizing biological pretreatment-coagulant sedimentation-sand filter-O3 after oxidizing biological activated carbon (BAC) filter.是什么意思_A deep treatment pilot test was made on micropolluted source water with combined technique of O3 preoxidizing biological pretreatment-coagulant sedimentation-sand filter-O3 after oxidizing biological activated carbon (BAC) filter.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句