Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/260ee3b3e03c45f43242c52b549e9b35.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 sewage sludge washing例句_sewage sludge washing英汉例句_sewage sludge washing双解例句_沉淀汉英词典
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. 通过小麦盆栽试验，研究了毛纺企业排放的洗毛污水、污泥对农作物及土壤的影响。