rag(content) plate paper是什么意思

网络释义

1)rag(content) plate paper,破布浆书籍纸2)bood back liner stock,书籍纸用浆3)enamel book paper,涂布书籍纸4)rag pulp,破布纸浆5)rag board,破布浆纸板6)uncoated book paper,未涂布书籍纸