wasteman废物清洁工
wasten.废物;浪费;荒地v.浪费;滥用;消耗adj.荒芜的;无用的;浪费的
waste water containing oil含油污水
waste periodical discharge定期排污
wastewater containing zinc含锌废水
wastewater containing salt含盐污水
waste and scrap of textile废纺织品
wastewater marine disposal污水海洋处置
waste electrical equipment电子废物
Waste and inferior tobacco废次烟叶