導(dǎo)熱系數(shù)隨體積密度增加而降低,在單位面積重量相同條件下,膨松度高的非織造布.The heat conduction coefficient decreases with increasing the bulk density of nonwoven fabrics.復(fù)卷線速度無(wú)級(jí)調(diào)控,卷紙膨松度可控制.Stepless regulates and controls linear velocity of rewinding to mate...