常見(jiàn)例句雙語(yǔ)例句The treatment of of washing coal wastewater by New air-smashing and dissolving flotation column(NAFC) was studied.採(cǎi)用機(jī)械散氣溶氣氣浮柱（NAFC）氣浮処理洗煤廢水。In this paper, a new-type cationic high polymeric water clarifying agent is introduced. Its efficiency for dyeing, coal washing, paper making and beer wastewater is studied.開(kāi)發(fā)一種新型的陽(yáng)離型高分子淨(jìng)水劑，研究了它對(duì)印染、 洗煤、 造紙和啤酒廢水的処理傚果。 返回 coal-washing wastewater