旧纤维新利用,新纤维多功能——世界新型无纺纤维材料发展新趋势
구섬유신이용,신섬유다공능——세계신형무방섬유재료발전신추세
New Use of Old Fibers, New Fiber Multifunction——The Development of New Trends for New Non-woven Fiber Material of World