常見例句雙語例句The plant engineering system of purification and recycling of wastewater is designed and construct…設計了廢水全部回用系統(tǒng)，并已成功地應用于生產(chǎn)實踐。A plant engineer who is in charge of both water supply and wastewater treatment will probably put more effort and concern into the operation of the water purification plant.一個負責工廠給水和廢水處理的工程師可能對給水凈化運轉更為重視和關心。In this paper, effect of the amounts of biology-ball was studied on the wastewater purification in the Plant-biofilm Oxidation Ditch(PBFOD)by home-made biology-ball putted in the system.同時還表明，增加生物球的投加數(shù)量可以增加懸浮生長的活性污泥與附著生長的生物膜的協(xié)同作用，從而增強植物-生物膜氧化溝對污染物的去除效率。 返回 wastewater purification plant