This invention relates to a method to sort coarse clean asbestos ore of asbestos-containing products with a gas-bubbling fluidized bed having a special structure.
本发明给出了一个用有着特殊结构的气体鼓泡流体床，对石棉粗精矿或含石棉产物进行精选的方法。
2
Few Americans, she says, are aware that the roofs of 35m homes may be insulated with material containingasbestos (which is linked to a cancer called mesothelioma).
她说，很少有美国人知道三千五百万所房子的房顶铺隔热材料还有石棉(石棉与间皮瘤有关联)。
3
D Seller warrants materials furnished pursuant to this Agreement shall be free from asbestoscontaining materials.