On paper, it is none other than the basic composition, it is vegetable fiber.

就纸张而言，它的基本组成不是别的，正是植物纤维。

youdao

On paper, it is none other than the basic composition, it is vegetable fiber.

就纸张而言，它的基本组成不是别的，正是植物纤维。

youdao