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wastewater from FGD system废水Waste water pollution area废水污染区waste water re-injection污水回注waste stone exhaust system排矸waste heat co-generation余热发电wasted electronic products废旧电子产品waste recovery power plant燃垃圾电厂waste-fill mining method废石充填开采法waste domestic electronics废旧电器wastewater of wood cooking木材蒸煮废水