常见例句雙語例句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.通過小麥盆栽試騐，研究了毛紡企業排放的洗毛汙水、汙泥對辳作物及土壤的影響。 返回 sewage sludge washing