wastecan污物桶
wasten.废物;浪费;荒地v.浪费;滥用;消耗adj.荒芜的;无用的;浪费的
wastewater renovation废水再净
waste pad lubrication绒垫润滑法
waste one's substance
waste asphalt mixture废旧沥青混合料
waste heat recovering余热回收
waste water cleansing废水处理
waste paper recycling废纸回用
waste-pigskin-oil猪皮废油
waste gas feed heater废气送料加热器
waste heat utilizaton余热利用