常見(jiàn)例句雙語(yǔ)例句Then technologies of municipal sewage sludge treatment and disposal and recent studies are expounded.為避免城市污水污泥產(chǎn)生二次污染，必須對(duì)其進(jìn)行妥善處理與處置。Then technologies of municipal sewage sludge treatment and disposal and recent studies are expounded.剩余污泥的處理與處置是個(gè)世界性的難題。Effects of land disposal of sewage sludge on grass and soil environment were studied. The sewage sludge used was from Northern Shenyang Wastewater Treatment Plant.以沈陽(yáng)北部污水處理廠污泥為研究對(duì)象，開(kāi)展了污泥土地利用對(duì)草坪草及土壤環(huán)境影響的研究。 返回 sewage sludge disposal