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 Liquor from Presswork印刷废液
waste electrical appliances废旧家电
waste water of retting flax沤麻废水
wastewater from papermaking造纸废水
wastewater from gas washing煤气洗涤废水
waste silk spinning machine丝纺织机,绢纺机
wastewater of PU base dloth革基布废水
waste-plus-waste method废物加废水法; 废水混用法