词汇	roofing energy saving
释义	roofing energy saving 屋面节能
随便看	roller bearing needle roller bearing oils roller bearing pillow block roller bearing race Roller bearing race grinding machines roller bearing ring roller bearingrolling bearing roller bearing rope hoist roller bearings roller bearings for goods train roller bearing shop roller bearing sleeve roller bearing steel roller bearing stretcher roller bearing test stand roller bearing water barrage roller bearing wire roller bearing with loose spacing bodies roller bearing with wound rollers roller beater roller bed roller beds roller-bed steamer roller belt conveyor Roller bench