您要查找的是不是：
- PET长丝PET filament
- PTT/PET长丝PTT/PET filament
- 长long
- 丝silk
- PET／PTT长丝PET/PTT filament
- PET/PTT双组分长丝PET/PTT bicomponent filament
- PTT长丝PTT filament
- 长丝鲈Osphronemas goramy
- PLA长丝PLA FDY
- 复丝,长丝纱continuous filament yarn
- 维纶长丝V-filament
- 化学长丝chemistry filament
- 有色长丝coloured yam
- 泡沫长丝foamed filament
- 氨纶长丝Polyurethane Filament
- 细旦长丝fine filament yarn
- 叉枝长丝fork-filament
- 化纤长丝chemical fiber
- 工业长丝industrial filament
- 水溶性维纶长丝的应用Application of water soluble vinylon filament
