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 paper deinking agent废纸脱墨剂
Wastewater of galvanization电镀废水
waste acid from steel plant钢铁厂废酸
wastewater of recycle paper再生纸废水
wastewater with caprolactam己内酰胺综合废水
waste oil collection vessel废油收集船
wastewater in a water works水厂排泥水
waste gas pollution control废气污染控制,废气治理
waste acid fracturing fluid酸化压裂废液
waste printed circuit board废弃印刷线路板