She was sitting in a hospital bed, her plastered leg up in the air.她坐在病床上，一条打了石膏的腿悬在空中。When she saw the damage to her car, she went right up in the air.当她看到自己的汽车被损坏时, 她立即火冒三丈.We are sure that there is sb in the house bec...
The paper introduces the product of class H polyester - imide solventless impregnating varnish.本文介绍一种不饱和聚酯亚胺类型的H级无溶剂浸渍树脂.Materials for Rtating and Static Rings : Impregnating resin ( metal ) graphite, Carborundum , hard ...