常見例句雙語例句A set of pot tests was done to show the possibility of utilization of sludge and sewage from washing wool with ammonium sulfate on agriculture.通過小麥盆栽試驗，研究了毛紡企業(yè)排放的洗毛污水、污泥對農(nóng)作物及土壤的影響。 返回 sewage sludge washing