In addition, the paper for beating degree, firmness and filling, sizing, and so on, with the crimpness, self-crimping to marketizing of paper also focuses on the papermakig process.

另外，纸张、不松及加填、施胶等，也与笔直性有关，所以，处置纸张笔直还给侧重在造纸工艺上下功夫。