短语词组短语Oil -Sludge Scourer 机油垢清除剂Oil Water Sludge Separation 油水泥分离oil -sludge 含油污泥oil deodorized sludge 油脂脱臭馏出物oil and sludge scraper 刮油刮渣机oil tar sludge 焦油泥oil field sludge 油田污泥oil containing sludge 含油污泥 返回 oil sludge