导热系数随体积密度增加而降低,在单位面积重量相同条件下,膨松度高的非织造布.The heat conduction coefficient decreases with increasing the bulk density of nonwoven fabrics.复卷线速度无级调控,卷纸膨松度可控制.Stepless regulates and controls linear velocity of rewinding to mate...
In its untreated state the carbon fibre material is rather like cloth.原始的碳纤维材料很像布料。If left untreated the condition may become chronic.这种病如果不治疗可能会发展成慢性病。If untreated, the illness can become severe.若不加以治疗，病情就可能会变得很严重。...