The flotation samples from the excavations allowed botanists to study shifts in plant-collecting habits as if they were looking through a telescope at a changing landscape.
从挖掘物中获取的浮选样本让植物学家能够研究植物采集习性的转变，就好像是用望远镜观察不断变化的景致。
2
The application of residue - removing drum screen in the flotation workshop of Donganshan Sintering Plant is described.
介绍了东鞍山烧结厂浮选车间应用圆筒除渣筛的应用情况。
3
The inorganized emission of odors from flotation tank of oil refining wastewater treatment plant in Daqing Petrochemical Company has endangered the ambience and the public health.