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...
Some stretches of beach are completely underwater at high tide.海滩上有些地方在涨潮时完全淹没在水中。We got to the beach at five of one in the afternoon.我们下午1点差5分的时候到达海滩。Issa's white beach hat gleamed in the harsh lights.伊萨的白色沙滩帽在刺眼的阳...