纸卷芯塞 tip

卷材纸芯内径 core inner dia

卷纸筒芯机 corewinder ; corewindingmachine

卷膜纸芯内径 Core inner dia

纸卷铁粉芯 Ferrocart

卷纸无芯 roll paper coreless

卷纸有芯 roll paper with core

无芯卷纸 coreless roll paper

有芯卷纸 core roll paper