短語(yǔ)詞組短語(yǔ)biodegradation oil 生物降解油progressive biodegradation 前進(jìn)型生物降Primary biodegradation 初級(jí)生物降解aerobic biodegradation 好氧降解biodegradation data 生物降解數(shù)據(jù)biodegradation technologies 生物降解技術(shù)lignin biodegradation 木素生物降解Biodegradation factors 除油因素biodegradation extent 生物降解程度 返回 biodegradation