paper making raw material 造纸原料
paper making fiber material 造纸纤维原料
Results The large quantity of paper making material and flower, grass and tree were taken into the Reservoir.
结果流行区有大量造纸原料和花草树木进入库区；
Thus, decreasing the content of lignin in paper making material is a new method to renovate paper making pollution from the root.
因此，降低造纸原料中的木质素含量是源头治理造纸污染的新思路。
Bark may be used as raw material for paper-making.
树皮可以做造纸的原料。
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