常見例句雙語(yǔ)例句And the performance of activated sludge system was improved by add small particle size or powdery zeolite.也可以直接投加小顆?；蚍惺勰┬问降交钚詻@泥工藝中強(qiáng)化系統(tǒng)去除汙染物的能力； 返回 small particle size zeolite