Abstract : Geese could intake high crude fiber (CF) forage to sustain growth.

摘要鹅可以采食高粗纤维（CF）水平的牧草来维持自身生长的需要。

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Polyacrylonitrile (PAN) fiber, pitch fiber and rayon fiber (RF) are three main kind of crude materials from which we produce carbon fiber (CF) now.

聚丙烯腈(PAN)纤维、沥青纤维和粘胶纤维(RF)是目前生产碳纤维(CF)的三大原料体系。

youdao

Polyacrylonitrile (PAN) fiber, pitch fiber and rayon fiber (RF) are three main kind of crude materials from which we produce carbon fiber (CF) now.

聚丙烯腈(PAN)纤维、沥青纤维和粘胶纤维(RF)是目前生产碳纤维(CF)的三大原料体系。

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