Specialty pulps also may be used in combination with woodpulp to produce lightweight and ultra-lightweight printing and writing papers.
特种纸浆也可以结合木浆使用，来生产轻型和超轻的印刷书写纸。
Specialty pulps also may be used in combination with woodpulp to produce lightweight and ultra-lightweight printing and writing papers.
特种纸浆也可以结合木浆使用，来生产轻型和超轻的印刷书写纸。
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