短语词组短語Oil -Sludge Scourer 機油垢清除劑Oil Water Sludge Separation 油水泥分離oil -sludge 含油汙泥oil deodorized sludge 油脂脫臭餾出物oil and sludge scraper 刮油刮渣機oil tar sludge 焦油泥oil field sludge 油田汙泥oil containing sludge 含油汙泥 返回 oil sludge